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8.00578

Methacrylic acid

(stabilised with hydroquinone monomethyl ether) for synthesis

Synonym(s):

Methacrylic acid, 2-Methylpropenoic acid

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About This Item

Linear Formula:
CH2C(CH3)COOH
CAS Number:
79-41-4
Molecular Weight:
86.09
UNSPSC Code:
12352106
EC Index Number:
201-204-4
NACRES:
NA.22
MDL number:
MFCD00002651
Assay:
≥99% (GC)
Form:
liquid
Grade:
synthesis grade
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grade

synthesis grade

Quality Segment

200

vapor pressure

<1 hPa ( 20 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

370 °C

potency

1320 mg/kg LD50, oral (Rat)

expl. lim.

1.6-8.7 % (v/v)

pH

2.0-2.2 (20 °C, 100 g/L in H2O)

bp

161 °C/1013 hPa

mp

15 °C

transition temp

flash point 65 °C

density

1.015 g/cm3 at 20 °C

storage temp.

15-25°C

SMILES string

OC(=O)C(=C)C

InChI

1S/C4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6)

InChI key

CERQOIWHTDAKMF-UHFFFAOYSA-N

General description

Methacrylicacid (MAA) is a liquid carboxylic acid that is colorless, viscous, and solublein most organic solvents. It is generated on a large scale in industrialapplications as a precursor to its esters, particularly methyl methacrylate(MMA).

Application

Methacrylic acid is used in the graft copolymerization with jute fiber.

Analysis Note

Assay (GC, area%): ≥ 99 %
Density (d 20 °C/ 4 °C): 1.013 - 1.015
Identity (IR): passes test

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Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1A - STOT SE 3

target_organs

Respiratory system

wgk

WGK 1

flash_point_f

152.6 °F - closed cup

flash_point_c

67 °C - closed cup

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Deleterious substance

pdsc

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

Class I Designated Chemical Substances

prtr

Group 4: Flammable liquids + Type 2 petroleums + Hazardous rank III + Water soluble liquid

fsl

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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