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Safety Data Sheet EN

Dimethyl sulfate

CAS 77-78-1
EC 201-058-1

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Dimethyl sulfate
Product Code
36519

Regulatory Identifiers

CAS Number
77-78-1 Check regulations →
EC Number
201-058-1 Check regulations →

Identified Uses

SU24 Scientific research and development

Manufacturers & Suppliers

Alfa Aesar / Thermo Fisher Scientific Chemicals, Inc. logo

Alfa Aesar / Thermo Fisher Scientific Chemicals, Inc.

manufacturer

30 Bond Street, Ward Hill, MA 01835-8099

http://www.alfa.com

Emergency Contacts

Alfa Aesar / Thermo Fisher Scientific Chemicals, Inc.

(800) 343-0660

Monday-Friday, 8am-7pm EST

Carechem 24

(866) 928-0789

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Acute Tox. Cat. 3 H301
Acute Tox. Cat. 2 H330
Muta. Cat. 2 H341
Carc. Cat. 1B H350
Skin Corr. Cat. 1B H314
Skin Sens. Cat. 1 H317
Flam. Liq. Cat. 4 H227

GHS Pictograms

GHS06 - Acute toxicity

GHS06

GHS05 - Corrosive

GHS05

GHS08 - Serious health hazard

GHS08

Hazard Statements

H227 Combustible liquid.
H301 Toxic if swallowed.
H314 Causes severe skin burns and eye damage.
H317 May cause an allergic skin reaction.
H330 Fatal if inhaled.
H341 Suspected of causing genetic defects.
H350 May cause cancer.

Precautionary Statements

P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor.
P303+P361+P353 If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P351+P338 If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P320 Specific treatment is urgent (see on this label).
P405 Store locked up.
P501 Dispose of contents/container in accordance with local/regional/national/international regulations.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance

Chemical characterization: Substances

Chemical Name CAS Number Concentration Hazardous
Dimethyl sulfate EC: 201-058-1 77-78-1 100% No
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.

Symptoms: Fatal if inhaled.

Skin contact

Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.

Symptoms: Causes severe skin burns.

Eye contact

Rinse opened eye for several minutes under running water. Then consult a doctor.

Ingestion

Do not induce vomiting; immediately call for medical help.

Symptoms: Toxic if swallowed.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

The data for this section has not been processed yet.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

The data for this section has not been processed yet.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

The data for this section has not been processed yet.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.

Hands

Impervious gloves. Check protective gloves prior to each use for their proper condition. The selection of suitable gloves not only depends on the material, but also on quality. Quality will vary from manufacturer to manufacturer. Material of gloves Butyl rubber, BR. Penetration time of glove material (in minutes) Not determined.

Eyes

Tightly sealed goggles. Full face protection. Safety glasses with side shields / NIOSH (US) or EN 166(EU).

Respiratory

Use self-contained respiratory protective device in emergency situations. Recommended filter device for short term use: Use a respirator with multi-purpose combination (US) or type ABEK (EN 14387) as a backup to engineering controls. Risk assessment should be performed to determine if air-purifying respirators are appropriate. Only use equipment tested and approved under appropriate government standards such as NIOSH (USA) or CEN (EU).

Skin/Body

Protective work clothing.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Physical State
Liquid
Physical State Data
liquid
State Under Standard Conditions
---
Appearance
Not determined
Colour
---
Colour Intensity
---
Form
Liquid
Odor
Not determined
Odor Threshold
Not determined.
Ph
Not determined.
Melting Point
-31.8 ℃ (-25 °F)
Boiling Point
189 ℃ (372 °F)'
Flash Point
83 °C (181 ºF)
Freezing Point
---
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
---
Evaporation Rate
Not determined.
Vapor Pressure
0.35 hPa
Vapor Density
Not determined.
Relative Density
Not determined.
Bulk Density
---
Density
1.33 g/cm3 (11.099 lbs/gal)
Flammability
Not applicable.
Upper Explosive Limit
23.2 Vol %
Lower Explosive Limit
3.6 Vol %
Explosive Limits
---
Auto Ignition Temperature
Not determined.
Decomposition Temperature
Not determined.
Solubility
---
Partition Coefficient
Not determined.
Solubility In Water
28 g/l
Solubility In Fat
---
Molecular Weight
---
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
Not determined.
Kinematic Viscosity
Not determined.
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

The data for this section has not been processed yet.

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

The data for this section has not been processed yet.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
UN1595
Shipping Name
Dimethyl sulfate
Transport Class
6.1 Toxic substances
Packing Group
I
ADR

Warning: Toxic substances

15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

The data for this section has not been processed yet.

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Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for Dimethyl sulfate?

The signal word is danger.

What is the physical form of Dimethyl sulfate?

Dimethyl sulfate is a liquid appearing as not determined . It has not determined odor.

What is Dimethyl sulfate used for?

SU24 Scientific research and development

What are the hazard statements for Dimethyl sulfate?

This substance has 7 hazard statements:

  • H227: Combustible liquid.
  • H301: Toxic if swallowed.
  • H314: Causes severe skin burns and eye damage.
  • H317: May cause an allergic skin reaction.
  • H330: Fatal if inhaled.
  • H341: Suspected of causing genetic defects.
  • H350: May cause cancer.

What is the melting point of Dimethyl sulfate?

The melting point is -31.8 ℃ (-25 °F) and the boiling point is 189 ℃ (372 °F)'.