#!/usr/bin/env python3 """Generate English SDS for Ethyl Acetate — new layout + page numbering.""" import os, base64, io from weasyprint import HTML import pikepdf PRIMARY = "#004C98" PRIMARY_DARK = "#00335F" SECONDARY = "#2B2E33" MUTED = "#5B6670" ACCENT = "#0071B8" HIGHLIGHT = "#F2F6FA" BORDER = "#D9E1E8" WHITE = "#FFFFFF" WARNING_AMBER = "#C77700" LOGO_PATH = '/home/bachko/msds-tds/assets/logo-synthesia.png' ISO_PATH = '/home/bachko/msds-tds/assets/iso-seal-tuv-rheinland.png' def img_b64(path): with open(path, 'rb') as f: return f"data:image/png;base64,{base64.b64encode(f.read()).decode()}" logo_b64 = img_b64(LOGO_PATH) iso_b64 = img_b64(ISO_PATH) html = f"""

SAFETY DATA SHEET
Ethyl acetate

According to Regulation (EU) 2020/878 (REACH Annex II) · CLP Regulation (EC) 1272/2008 as amended by EU 2024/2865

SECTION 1: Identification of the substance/mixture and of the company/undertaking

1.1 Product identifier

Property	Value
Product form	Substance
Chemical name	Ethyl acetate
EC Index-No.	607-022-00-5
EC-No.	205-500-4
CAS-No.	141-78-6
REACH registration No.	01-2119475103-46-XXXX
Molecular formula	C₄H₈O₂

1.2 Relevant identified uses of the substance or mixture and uses advised against

Use of the substance/mixture

Industrial use

Restrictions on use

No data available

1.3 Details of the supplier of the safety data sheet

Field	Details
Company	Synthesia Ltd.
Address	Todor Radunchev 9, Krivina 1588, Bulgaria
VAT	BG121306542
Phone	+359 2 974 4968
Email	office@synthesia.bg

1.4 Emergency telephone number

Emergency number

112

SECTION 2: Hazards identification

2.1 Classification of the substance or mixture

Classification according to Regulation (EC) No. 1272/2008 [CLP] as amended by EU 2024/2865:

Hazard class	Category	Hazard statement
Flammable liquids	Category 2	H225 — Highly flammable liquid and vapour
Serious eye damage/eye irritation	Category 2	H319 — Causes serious eye irritation
Specific target organ toxicity — Single exposure	Category 3 (Narcosis)	H336 — May cause drowsiness or dizziness

Full text of H-statements: see Section 16.

2.2 Label elements

Element	Details
Hazard pictograms	GHS02 (Flame) · GHS07 (Exclamation mark)
Signal word	Danger
Hazard statements	H225 — Highly flammable liquid and vapour. H319 — Causes serious eye irritation. H336 — May cause drowsiness or dizziness.
Precautionary statements	P210 — Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P280 — Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 — IF INHALED: Remove person to fresh air and keep comfortable for breathing. P305+P351+P338 — IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P337+P313 — If eye irritation persists: Get medical advice/attention. P403+P233 — Store in a well-ventilated place. Keep container tightly closed.
EUH-statements	EUH066 — Repeated exposure may cause skin dryness or cracking.

2.3 Other hazards

This substance does not contain components considered to be persistent, bioaccumulative and toxic (PBT), very persistent and very bioaccumulative (vPvB), persistent, mobile and toxic (PMT), or very persistent and very mobile (vPvM) at levels of 0.1% or higher, in accordance with the criteria of CLP Regulation as amended by EU 2024/2865 and REACH Annex XIII.

This substance is not classified as an endocrine disruptor (ED) according to the criteria of CLP Regulation as amended by EU 2024/2865, Commission Delegated Regulation (EU) 2017/2100, or Commission Regulation (EU) 2018/605.

Vapours may form explosive mixture with air.

SECTION 3: Composition/information on ingredients

3.1 Substances

Component	CAS-No.	EC-No.	Index-No.	Classification	Concentration
Ethyl acetate	141-78-6	205-500-4	607-022-00-5	Flam. Liq. 2; Eye Irrit. 2; STOT SE 3; H225, H319, H336	> 99.8%

Molecular weight: 88.11 g/mol | Formula: C₄H₈O₂

3.2 Mixtures

Not applicable.

SECTION 4: First aid measures

4.1 Description of first aid measures

Route	Measures
General	Call a poison centre or a doctor if you feel unwell.
After inhalation	Remove person to fresh air and keep comfortable for breathing. If experiencing respiratory symptoms: Call a poison centre or a doctor.
After skin contact	Rinse skin with water/shower. Take off immediately all contaminated clothing.
After eye contact	Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention.
After ingestion	Rinse mouth. Do not induce vomiting. Call a poison centre or a doctor if you feel unwell.

4.2 Most important symptoms and effects, both acute and delayed

Symptoms/effects	Description
General	May cause drowsiness or dizziness.
Skin contact	Repeated exposure may cause skin dryness or cracking.
Eye contact	Eye irritation.

4.3 Indication of any immediate medical attention and special treatment needed

Treat symptomatically.

SECTION 5: Firefighting measures

5.1 Extinguishing media

Suitable extinguishing media

Water spray. Dry powder. Foam. Carbon dioxide.

Unsuitable extinguishing media

High volume water jet.

5.2 Special hazards arising from the substance or mixture

Fire hazard

Highly flammable liquid and vapour.

Hazardous decomposition products

Toxic fumes may be released. Carbon oxides.

5.3 Advice for firefighters

Do not attempt to take action without suitable protective equipment. Self-contained breathing apparatus. Complete protective clothing.

SECTION 6: Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Personnel	Measures
For non-emergency personnel	Wear recommended personal protective equipment. Ventilate spillage area. No open flames, no sparks, and no smoking. Avoid breathing vapours. Avoid contact with skin and eyes.
For emergency responders	Do not attempt to take action without suitable protective equipment. Eliminate all ignition sources if safe to do so. Evacuate unnecessary personnel.

6.2 Environmental precautions

Avoid release to the environment.

6.3 Methods and material for containment and cleaning up

Methods for cleaning up

Take up liquid spill into absorbent material. Notify authorities if product enters sewers or public waters.

Other information

Dispose of materials or solid residues at an authorised site.

6.4 Reference to other sections

Refer to protective measures listed in Sections 7 and 8. For further information refer to Section 13.

SECTION 7: Handling and storage

7.1 Precautions for safe handling

Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Ground/bond container and receiving equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Flammable vapours may accumulate in the container. Use explosion-proof equipment. Wear personal protective equipment. Use only outdoors or in a well-ventilated area. Avoid breathing vapours. Avoid contact with skin and eyes.

Hygiene measures: Do not eat, drink or smoke when using this product. Always wash hands after handling the product.

7.2 Conditions for safe storage, including any incompatibilities

Technical measures

Ground/bond container and receiving equipment.

Storage conditions

Store in a well-ventilated place. Keep cool. Keep container tightly closed. Store locked up.

Heat and ignition sources

Keep away from open flames, hot surfaces and sources of ignition.

7.3 Specific end use(s)

No additional information available.

SECTION 8: Exposure controls/personal protection

8.1 Control parameters

EU Occupational Exposure Limits (IOELV) — Ethyl acetate
IOELV TWA	734 mg/m³ (200 ppm)
IOELV STEL	1,468 mg/m³ (400 ppm)
Reference	Directive (EU) 2017/164 · SCOEL Recommendations (2008)

UK Workplace Exposure Limits (WEL)
WEL TWA	734 mg/m³ (200 ppm)
WEL STEL	1,468 mg/m³ (400 ppm)
Reference	EH40/2005 (3rd ed., 2018), HSE

DNEL/DMEL — Workers
Acute - systemic, inhalation	1,468 mg/m³
Acute - local, inhalation	1,468 mg/m³
Long-term - systemic, dermal	63 mg/kg bw/day
Long-term - systemic, inhalation	734 mg/m³
Long-term - local, inhalation	734 mg/m³

DNEL/DMEL — General population
Acute - systemic, inhalation	734 mg/m³
Acute - local, inhalation	734 mg/m³
Long-term - systemic, oral	4.5 mg/kg bw/day
Long-term - systemic, inhalation	367 mg/m³
Long-term - systemic, dermal	37 mg/kg bw/day
Long-term - local, inhalation	367 mg/m³

PNEC
Freshwater	0.24 mg/l
Marine water	0.024 mg/l
Intermittent (freshwater)	1.65 mg/l
Sediment (freshwater)	1.15 mg/kg dwt
Sediment (marine water)	0.115 mg/kg dwt
Soil	0.148 mg/kg dwt
Oral (secondary poisoning)	0.2 g/kg food
STP	650 mg/l

8.2 Exposure controls

Control type	Measures
Engineering controls	Ensure good ventilation of the work station.
Hand protection	Protective gloves.
Eye protection	Safety glasses.
Skin and body protection	Wear suitable protective clothing.
Respiratory protection	In case of insufficient ventilation, wear suitable respiratory equipment.
Environmental exposure	Avoid release to the environment.

SECTION 9: Physical and chemical properties

9.1 Information on basic physical and chemical properties

Property	Value
Physical state	Clear liquid
Colour	Colourless
Odour	Fruity
Melting / Freezing point	-84 °C
Initial boiling point and boiling range	76.5 – 77.5 °C
Flash point	-4 °C
Auto-ignition temperature	426 °C
Flammability (solid, gas)	Not applicable (liquid)
Upper/lower flammability limits	2 – 11.5 vol %
Vapour pressure	73 mm Hg (20 °C)
Relative vapour density	3.04 (Air = 1, 20 °C)
Density	0.902 g/cm³ (20 °C)
Solubility (water)	8 g/100 ml (25 °C)
Partition coefficient n-octanol/water (Log Pow)	0.73
Viscosity, dynamic	0.45 mPa·s (20 °C)

9.2 Other information

No additional information available.

SECTION 10: Stability and reactivity

10.1 Reactivity

Highly flammable liquid and vapour.

10.2 Chemical stability

Stable under normal conditions.

10.3 Possibility of hazardous reactions

No dangerous reactions known under normal conditions of use.

10.4 Conditions to avoid

Avoid contact with hot surfaces. No flames, no sparks. Eliminate all sources of ignition.

10.5 Incompatible materials

No additional information available.

10.6 Hazardous decomposition products

Under normal conditions of storage and use, hazardous decomposition products should not be produced.

SECTION 11: Toxicological information

11.1 Information on hazard classes

Toxicological endpoint	Classification	Data
Acute toxicity	Not classified	LD50 oral (rabbit): 5,620 mg/kg bw LD50 dermal (rat): >18,000 mg/kg bw LC50 inhalation (rat): 1.600 mg/l/4h
Skin corrosion/irritation	Not classified
Serious eye damage/irritation	Causes serious eye irritation
Respiratory or skin sensitisation	Not classified
Germ cell mutagenicity	Not classified
Carcinogenicity	Not classified
Reproductive toxicity	Not classified
STOT — single exposure	Category 3 — Narcosis	May cause drowsiness or dizziness
STOT — repeated exposure	Not classified	LOAEL (oral, rat, 90d): 3,600 mg/kg bw NOAEL (oral, rat, 90d): 900 mg/kg bw
Aspiration hazard	Not classified

11.2 Information on other hazards

Not classified as having endocrine disrupting properties according to REACH Article 57(f), Commission Delegated Regulation (EU) 2017/2100, Commission Regulation (EU) 2018/605, or CLP criteria as amended by EU 2024/2865 at levels of 0.1% or higher.

RTECS: AH5425000

Inhalation of high concentrations may cause: headache, drowsiness, dizziness, vomiting, narcosis, anaemia, central nervous system depression.

SECTION 12: Ecological information

12.1 Toxicity

The product is not considered harmful to aquatic organisms nor to cause long-term adverse effects in the environment.

Endpoint	Value	Species
LC50 (fish, 96h)	230 mg/l	Pimephales promelas
EC50 (daphnia, 48h)	720 mg/l	Daphnia magna
EC50 (algae, 72h)	3,300 mg/l
LC50 (bacteria)	2,900 mg/l
NOEC (chronic daphnia, 21d)	2.4 mg/l	Daphnia magna

12.2 Persistence and degradability

Readily biodegradable — 100% after 28 days.

12.3 Bioaccumulative potential

Log Pow

0.73 (low bioaccumulation potential)

12.4 Mobility in soil

Low mobility.

12.5 Results of PBT and vPvB assessment

Not classified as PBT or vPvB in accordance with REACH Annex XIII.

12.6 Endocrine disrupting properties

12.7 Other adverse effects

No additional information available.

SECTION 13: Disposal considerations

13.1 Waste treatment methods

Waste treatment methods

Dispose of contents/container in accordance with licensed collector's sorting instructions.

Packaging disposal

Dispose of contents/container to hazardous or special waste collection point, in accordance with local, regional, national and/or international regulation.

Additional information

Do not re-use empty containers. Flammable vapours may accumulate in the container.

SECTION 14: Transport information

In accordance with ADR / RID / IMDG / IATA / ADN

Transport mode	UN No.	Proper shipping name	Class	PG	Env.
ADR (road)	1173	ETHYL ACETATE, 3, II, (D/E)	3	II	No
IMDG (sea)	1173	ETHYL ACETATE, 3, II, (-4°C c.c.)	3	II	No
IATA (air)	1173	Ethyl acetate, 3, II	3	II	No
ADN (inland waterway)	1173	ETHYL ACETATE, 3, II	3	II	No
RID (rail)	1173	ETHYL ACETATE, 3, II	3	II	No

ADR Details
Classification code	F1
Limited quantities	1 L
Excepted quantities	E2
Tunnel restriction code	D/E
Hazard identification No. (Kemler)	33
Transport category	2
EAC code	•3YE

14.7 Transport in bulk according to IMO instruments

Not applicable.

SECTION 15: Regulatory information

15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture

15.1.1 EU Regulations

No REACH Annex XVII restrictions.
Ethyl acetate is not on the REACH Candidate List (SVHC).
Ethyl acetate is not on the REACH Annex XIV (Authorisation List).
Not subject to Regulation (EU) No 649/2012 (PIC).
Not subject to Regulation (EU) 2019/1021 (POP).

15.1.2 National regulations

Country	Regulation	Status
Germany	Water hazard class (WGK)	WGK 1 — Slightly hazardous to water (AwSV; ID No. 95)
Germany	Hazardous Incident Ordinance (12. BImSchV)	Not subject
Netherlands	SZW lists (carcinogenic, mutagenic, reprotoxic)	Not listed
Denmark	Classification remarks	Emergency management guidelines for flammable liquids must be followed. Young persons under 18 not allowed to use the product.

15.2 Chemical safety assessment

No chemical safety assessment has been carried out.

SECTION 16: Other information

Abbreviations and acronyms

Abbreviation	Full form
ADN	European Agreement concerning the International Carriage of Dangerous Goods by Inland Waterways
ADR	European Agreement concerning the International Carriage of Dangerous Goods by Road
CAS	Chemical Abstract Service number
CLP	Classification, Labelling and Packaging Regulation (EC) No 1272/2008
DMEL	Derived Minimal Effect Level
DNEL	Derived No-Effect Level
EC50	Median Effective Concentration
ED	Endocrine Disruptor
IATA	International Air Transport Association
IMDG	International Maritime Dangerous Goods
LC50	Median Lethal Concentration
LD50	Median Lethal Dose
LOAEL	Lowest Observed Adverse Effect Level
NOAEL	No-Observed Adverse Effect Level
PBT	Persistent, Bioaccumulative, Toxic
PMT	Persistent, Mobile, Toxic
PNEC	Predicted No-Effect Concentration
REACH	Registration, Evaluation, Authorisation and Restriction of Chemicals (EC) No 1907/2006
RID	Regulations concerning the International Carriage of Dangerous Goods by Rail
SDS	Safety Data Sheet
STOT	Specific Target Organ Toxicity
vPvB	Very Persistent and Very Bioaccumulative
vPvM	Very Persistent and Very Mobile
WGK	Water Hazard Class (Germany)

Full text of H- and EUH-statements

Code	Text
H225	Highly flammable liquid and vapour.
H319	Causes serious eye irritation.
H336	May cause drowsiness or dizziness.
EUH066	Repeated exposure may cause skin dryness or cracking.

Disclaimer of Liability: The information in this SDS was obtained from sources which we believe are reliable. However, the information is provided without any warranty, express or implied, regarding its correctness. The conditions or methods of handling, storage, use or disposal of the product are beyond our control and may be beyond our knowledge. For this and other reasons, we do not assume responsibility and expressly disclaim liability for loss, damage or expense arising out of or in any way connected with the handling, storage, use or disposal of the product. This SDS was prepared and is to be used only for this product. If the product is used as a component in another product, this SDS information may not be applicable.

""" # ─── Generate PDF ─── OUT_DIR = '/home/bachko/msds-tds/output' os.makedirs(OUT_DIR, exist_ok=True) html_path = os.path.join(OUT_DIR, 'sds-ethyl-acetate-en.html') with open(html_path, 'w', encoding='utf-8') as f: f.write(html) print(f"HTML: {html_path}") # Pass 1: WeasyPrint pdf_path = os.path.join(OUT_DIR, 'SDS_Ethyl_Acetate_REV1_EN.pdf') buf = io.BytesIO() HTML(string=html).write_pdf(buf) buf.seek(0) # Save temp tmp_path = pdf_path + '.tmp' with open(tmp_path, 'wb') as f: f.write(buf.read()) # Pass 2: Add page numbers with pikepdf with pikepdf.Pdf.open(tmp_path) as pdf: total = len(pdf.pages) print(f"Total pages: {total}") for i, page in enumerate(pdf.pages, 1): text = f"Page {i} of {total}" mb = page.mediabox w = float(mb[2]) bottom = 48 # points from bottom stream = ( f"BT\n" f"/Helvetica 7 Tf\n" f"{w/2:.0f} {bottom} Td\n" f"0.357 0.400 0.435 rg\n" f"({text}) Tj\n" f"ET\n" ).encode('latin-1') page.contents_add(pikepdf.Stream(pdf, stream)) pdf.save(pdf_path) os.remove(tmp_path) print(f"PDF: {pdf_path} ({total} pages)")

SAFETY DATA SHEETEthyl acetate

SECTION 1: Identification of the substance/mixture and of the company/undertaking

1.1 Product identifier

1.2 Relevant identified uses of the substance or mixture and uses advised against

1.3 Details of the supplier of the safety data sheet

1.4 Emergency telephone number

SECTION 2: Hazards identification

2.1 Classification of the substance or mixture

2.2 Label elements

2.3 Other hazards

SECTION 3: Composition/information on ingredients

3.1 Substances

3.2 Mixtures

SECTION 4: First aid measures

4.1 Description of first aid measures

4.2 Most important symptoms and effects, both acute and delayed

4.3 Indication of any immediate medical attention and special treatment needed

SECTION 5: Firefighting measures

5.1 Extinguishing media

5.2 Special hazards arising from the substance or mixture

5.3 Advice for firefighters

SECTION 6: Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

6.2 Environmental precautions

6.3 Methods and material for containment and cleaning up

6.4 Reference to other sections

SECTION 7: Handling and storage

7.1 Precautions for safe handling

7.2 Conditions for safe storage, including any incompatibilities

7.3 Specific end use(s)

SECTION 8: Exposure controls/personal protection

8.1 Control parameters

8.2 Exposure controls

SECTION 9: Physical and chemical properties

9.1 Information on basic physical and chemical properties

9.2 Other information

SECTION 10: Stability and reactivity

10.1 Reactivity

10.2 Chemical stability

10.3 Possibility of hazardous reactions

10.4 Conditions to avoid

10.5 Incompatible materials

10.6 Hazardous decomposition products

SECTION 11: Toxicological information

11.1 Information on hazard classes

11.2 Information on other hazards

SECTION 12: Ecological information

12.1 Toxicity

12.2 Persistence and degradability

12.3 Bioaccumulative potential

12.4 Mobility in soil

12.5 Results of PBT and vPvB assessment

12.6 Endocrine disrupting properties

12.7 Other adverse effects

SECTION 13: Disposal considerations

13.1 Waste treatment methods

SECTION 14: Transport information

14.7 Transport in bulk according to IMO instruments

SECTION 15: Regulatory information

15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture

15.1.1 EU Regulations

15.1.2 National regulations

15.2 Chemical safety assessment

SECTION 16: Other information

Abbreviations and acronyms

Full text of H- and EUH-statements

SAFETY DATA SHEET
Ethyl acetate