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Methacrylic acid (stabilised with hydroquinone monomethyl ether) for synthesis. CAS 79-41-4, EC Number 201-204-4, chemical formula CH₂C(CH₃)COOH.

Methacrylic acid MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: 2-Methylpropenoic acid

CAS #: 79-41-4 EC Number: 201-204-4 Molar Mass: 86.09 g/mol Chemical Formula: CH₂C(CH₃)COOH Hill Formula: C₄H₆O₂

Overview

Key Spec Table

CAS # EC Number Hill Formula Chemical Formula Molar Mass
79-41-4 201-204-4 C₄H₆O₂ CH₂C(CH₃)COOH 86.09 g/mol

Pricing & Availability

Catalogue Number Availability Packaging Qty/Pack Price Quantity
8005780100
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 Glass bottle 100 ml
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8005780500
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 Glass bottle 500 ml
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8005782500
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 Glass bottle 2.5 l
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Description
Catalogue Number 800578
Synonyms 2-Methylpropenoic acid
Description Methacrylic acid

Product Information
CAS number 79-41-4
EC index number 607-088-00-5
EC number 201-204-4
Hill Formula C₄H₆O₂
Chemical formula CH₂C(CH₃)COOH
Molar Mass 86.09 g/mol
HS Code 2916 13 00
Structure formula Image Structure formula Image
Quality Level MQ200

Applications
Application Methacrylic acid (stabilised with hydroquinone monomethyl ether) for synthesis. CAS 79-41-4, EC Number 201-204-4, chemical formula CH₂C(CH₃)COOH.

Physicochemical Information
Boiling point 162 °C (1013 hPa)
Density 1.015 g/cm3
Explosion limit 1.6 – 8.7 %(V)
Flash point 67 °C
Ignition temperature 370 °C
Melting Point 15 °C
pH value 2.0 – 2.2 (100 g/l, H₂O, 20 °C)
Vapor pressure 0.97 hPa (20 °C)

Toxicological Information
LD 50 oral LD50 Rat 1320 mg/kg

Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H302 + H332: Harmful if swallowed or if inhaled.
H311: Toxic in contact with skin.
H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.
Precautionary Statement(s) P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
RTECS OZ2975000
Storage class 6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK WGK 1 slightly hazardous to water
Disposal 4
Liquid organic acids or solutions should be diluted, if necessary, and carefully neutralized with sodium hydrogen carbonate (Cat. No. 106323) or with sodium hydroxide (Cat. No 106462). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535).

Safety Information
Categories of danger harmful, corrosive

Storage and Shipping Information
Storage Store at +15°C to +25°C.

Transport Information
Declaration (railroad and road) ADR, RID UN 2531 , 8, II
Declaration (transport by air) IATA-DGR UN 2531 , 8, II
Declaration (transport by sea) IMDG-Code UN 2531 , 8, II, Segregation Group: 1 (Acids)

Specifications
Assay (GC, area%) ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C) 1.013 – 1.015
Identity (IR) passes test
The material is stabilised with hydroquinone monomethyl ether.
At time of analytical testing a content of >100 ppm stabiliser was determined.

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