Diethyl sulfate
- CAS Number
- 64-67-5
- HSN Code
- 29209000
- Molecular Formula
- C4H10O4S
- Catalogue Number
- AL1778
- Purity
- ≥ 99%
- Molecular Weight
- 154.19 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Diethyl sulfate is the diethyl ester of sulfuric acid. It has a role as an alkylating agent, a mutagen, a carcinogenic agent and an apoptosis inducer.
Also known as Diethylsulfate, Ethyl sulfate.
- Catalogue No.
- AL1778
- CAS Number
- 64-67-5
- Molecular Formula
- C4H10O4S
- Molecular Weight
- 154.19 g/mol
- HSN Code
- 29209000
- Grade
- 99%
- Product Form
- Substance
Melting point: -25 °C; Boiling point: 209.5 °C with decomposition; Flash point: 104 °C; Density: 1.172 g/cu cm @ 25 °C; Solubility: Miscible in alcohol and ether.
- Appearance
- Colorless, oily liquid darkens with age
- Shelf Life
- -
- Packaging
- Available in: 500 ml glass bottle, 1 Lt glass bottle
- Storage
- Separated from food and feedstuffs. Dry. Well closed. Keep in a well-ventilated room. Store in an area without drain or sewer access.
1.1 — Product identifier
- Chemical Name
- Diethyl sulfate
- Catalogue No.
- AL1778
- Product form
- Substance
- CAS Number
- 64-67-5
- EC Number
- 200-589-6
- Grade
- 99%
- EC Index Number
- Not specified
- Chemical Formula
- C4H10O4S
- HSN Code
- 29209000
- Synonyms
- Diethylsulfate, Ethyl sulfate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Alkylating agent in organic synthesis
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Acute Tox. 4; Acute Tox. 3; Skin Corr. 1B; Eye Dam. 1; Muta. 1B; Carc. 1B
- Classification source
- ECHA C&L Inventory via PubChem CID 6163 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive, Acute Toxic, Health Hazard
- Signal word
- Danger
- Hazard statements
- H302: Harmful if swallowed; H311: Toxic in contact with skin; H314: Causes severe skin burns and eye damage; H318: Causes serious eye damage; H332: Harmful if inhaled; H340: May cause genetic defects; H350: May cause cancer
2.3 — Other hazards
- Other hazards
- Suspected carcinogen, highly toxic
3.1 — Substance
- Name
- Diethyl sulfate
- CAS No.
- 64-67-5
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention immediately.
- First-aid measures after skin contact
- Remove contaminated clothing and wash skin thoroughly with soap and water. Seek medical attention if irritation persists.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and seek medical attention.
- First-aid measures after ingestion
- If victim is conscious, give victim two glasses of water and have victim induce vomiting.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include respiratory distress, skin irritation, and eye damage.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- May produce toxic fumes in a fire. Use water spray to cool containers.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Wear appropriate protective equipment. Contain and absorb spill with inert material.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: complete protective clothing including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle under a fume hood with appropriate PPE including gloves and goggles. Avoid contact with skin and eyes.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Separated from food and feedstuffs. Dry. Well closed. Keep in a well-ventilated room. Store in an area without drain or sewer access.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Peppermint odor
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -25 °C
- Freezing point
- Not specified
- Boiling point
- 209.5 °C with decomposition
- Flash point
- 104 °C
- Auto-ignition temperature
- 817 °F (436 °C)
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not applicable
- Vapour pressure
- Vapor pressure: 1 mm Hg @ 47 °C
- Relative vapour density at 20°C
- 5.31 (Air= 1)
- Density
- 1.172 g/cu cm @ 25 °C
- Solubility
- Miscible in alcohol and ether.
- Log Pow
- log Kow= 1.14
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Reacts violently with strong bases and nucleophiles.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on heating. This produces flammable and toxic fumes. Reacts violently with ammonia, strong oxidants, strong bases and powdered metals.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong bases, strong oxidizers, and reducing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomp it emits toxic fumes of sulfur oxides.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 0.88 g/kg; LD50 Mouse ip 150 mg/kg body weight; LD50 Rat sc 350 mg/kg body weight
- Skin corrosion/irritation
- H314: Causes severe skin burns and eye damage
- Serious eye damage/irritation
- H318: Causes serious eye damage
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- H340: May cause genetic defects
- Carcinogenicity
- H350: May cause cancer
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- UN 1594
- UN-No. (IMDG)
- UN 1594
- UN-No. (IATA)
- UN 1594
- UN-No. (ADN)
- UN 1594
- UN-No. (RID)
- UN 1594
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Diethyl sulfate
- Proper Shipping Name (IMDG)
- Diethyl sulfate
- Proper Shipping Name (IATA)
- Diethyl sulfate
- Proper Shipping Name (ADN)
- Diethyl sulfate
- Proper Shipping Name (RID)
- Diethyl sulfate
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Used as an ethylating reagent in the synthesis of dyes and pharmaceutical intermediates, requiring strict exposure controls during use.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL0621A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 154.19 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 99% | 99.5% |
| Density | 1.177 g/mL | 1.177 g/mL |
| Boiling Point | 126 °C | 126 °C |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
The above product is expected to comply with 99% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% | ≥ 99% | m.p. -25 °C; b.p. 209.5 °C with decomposition | ≤ 0.5% | ≤ 0.1% | None detected | Miscible in alcohol and ether. |
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