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Safety Data Sheet EN

Trimethylacetic acid

CAS 75-98-9
EC 200-922-5

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Trimethylacetic acid
Product Code
36535

Regulatory Identifiers

CAS Number
75-98-9 Check regulations →
EC Number
200-922-5 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

Emergency Contact

(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. 3 H311
Skin Corr. Cat. 1B H314
Eye Dam. Cat. 1 H318

GHS Pictograms

GHS05 - Corrosive

GHS05

GHS06 - Acute toxicity

GHS06

Hazard Statements

H301 + H311 Toxic if swallowed or in contact with skin.
H314 Causes severe skin burns and eye damage.

Precautionary Statements

P260 Do not breathe dust/fume/gas/mist/vapours/spray.
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.
P361 Take off immediately all contaminated clothing.
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

Substances

Chemical Name CAS Number Concentration Hazardous
Trimethylacetic acid EC: 200-922-5 75-98-9 --- 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.

Skin contact

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

Eye contact

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

Ingestion

Seek medical treatment.

Immediate Medical Attention

Seek immediate medical advice.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Carbon dioxide, extinguishing powder or water spray. Fight larger fires with water spray or alcohol resistant foam.

Specific hazards

If this product is involved in a fire, the following can be released: Carbon monoxide and carbon dioxide

Firefighter Protection

Wear self-contained respirator. Wear fully protective impervious suit.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Wear protective equipment. Keep unprotected persons away.

Environmental

Do not allow material to be released to the environment without proper governmental permits.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Keep container tightly sealed. Ensure good ventilation at the workplace.

Storage

Store in cool, dry place in tightly closed containers.

Fire prevention

Keep ignition sources away.

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.

Eyes

Tightly sealed goggles. Full face protection.

Respiratory

Use suitable respirator when high concentrations are present.

Skin/Body

Protective work clothing.

09

Physical and Chemical Properties

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

Physical State
Solid
Physical State Data
solid
State Under Standard Conditions
---
Appearance
Not determined
Colour
White
Colour Intensity
---
Form
Solid
Odor
Not determined
Odor Threshold
Not determined.
Ph
Not applicable.
Melting Point
33-35 °C (91-95 °F)
Boiling Point
163-164 °C (325-327 °F)
Flash Point
64 °C (147 °F)
Freezing Point
---
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
---
Evaporation Rate
Not applicable.
Vapor Pressure
Not applicable.
Vapor Density
Not applicable.
Relative Density
Not determined.
Bulk Density
---
Density
0.889 g/cm³ (7.419 lbs/gal)
Flammability
Not determined.
Upper Explosive Limit
Not determined
Lower Explosive Limit
Not determined
Explosive Limits
---
Auto Ignition Temperature
Not determined
Decomposition Temperature
Not determined
Solubility
Slightly soluble
Partition Coefficient
Not determined.
Solubility In Water
Slightly soluble
Solubility In Fat
---
Molecular Weight
---
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
Not applicable.
Kinematic Viscosity
Not applicable.
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Stable under recommended storage conditions.

Reactivity

No information known.

Hazardous reactions

No dangerous reactions known

Avoid

No further relevant information available.

Incompatible

Oxidizing agents, Reducing agents, Bases

Decomposition

Carbon monoxide and carbon dioxide

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

Treatment

Consult state, local or national regulations to ensure proper disposal.

14

Transport Information

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

UN Number
UN3261
Shipping Name
Corrosive solid, acidic, organic, n.o.s. (Trimethylacetic acid)
Transport Class
8
Packing Group
II
ADR

Warning: Corrosive substances Acids

IMDG

Warning: Corrosive substances Acids

IATA

Warning: Corrosive substances Acids

15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

Chemical Safety Assessment Not performed
?

Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for Trimethylacetic acid?

The signal word is danger.

What is the physical form of Trimethylacetic acid?

Trimethylacetic acid is a solid appearing as not determined with white color. It has not determined odor.

What is the solubility of Trimethylacetic acid?

Slightly soluble

What is Trimethylacetic acid used for?

SU24 Scientific research and development

What are the hazard statements for Trimethylacetic acid?

This substance has 2 hazard statements:

  • H301 + H311: Toxic if swallowed or in contact with skin.
  • H314: Causes severe skin burns and eye damage.

What is the melting point of Trimethylacetic acid?

The melting point is 33-35 °C (91-95 °F) and the boiling point is 163-164 °C (325-327 °F).