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Methacryloyl chloride, 97%, stab. with ca 400ppm 4-methoxyphenol - CAS 920-46-7 - Formula C4H5ClO


Certificate of Analysis

Methacryloyl chloride, 97%, stab. with ca 400ppm 4-methoxyphenol

CAS: 920-46-7 MDL: MFCD00000716  EINECS: 213-058-9
UN#:UN3488Hazard Class:6.1Packing Group:I
Alternate Name: 2-Methyl-2-propenoyl chloride


Pricing and Availability

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Chemical Properties

Formula: C4H5ClO  Flash point: 2°(35°F)
Formula weight: 104.54  Density: 1.07
Melting point: -60° Refractive Index: 1.4440
Boiling point: 95-96° Sensitivity: Moisture Sensitive

Other References

Beilstein: 878175
UN#: UN3488
Harmonized Tariff Code:   2916.19

GHS Hazard and Precautionary Statements

Hazard Statements : H225-H330-H302-H314-H318

Highly flammable liquid and vapour. Fatal if inhaled. Harmful if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements : P210-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P405-P501A

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). Rinse mouth. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.


Risk & Safety

Risk Phrases: 11-22-26-34
Flammable. Harmful if swallowed. Very toxic by inhalation. Causes burns.
Safety Phrases: 4-9-16-20-23-26-28-33-36/37/39-45-60
Keep away from living quarters. Keep container in a well ventilated place. Keep away from sources of ignition - No Smoking. When using do not eat or drink. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Take precautionary measures against static discharges. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste.
Very Toxic Highly Flammable
RTECS: OZ5791000