3-Methyl-2-butenal

84.12

84.12

1734740

203-527-6

2JZ2B60W76

1294

149164

1989

DTXSID8029606|DTXSID30756462

29121900

17.1

0.53

Clear colorless to light yellow Liquid

0.9 g/cm³

-20 °C

136 °C

93 °F

n 20/D 1.462(lit.)

soluble

2-8°C

7 mm Hg ( 20 °C)

Relative vapour density (air = 1): 2.9

vol% in air: 1.8

145 °C

III

3

UN 1989 3/PG 3

2

10-22-37/38-41-43-36/37/38-34-20/22-20/21/22

26-36-37/39-16-45-36/37/39

Xn,Xi,C

Fireproof. Well closed. Separated from strong oxidants. Store in an area without drain or sewer access.

Stable at normal temperatures and pressures.

P261-P280-P305 + P351 + P338-P310

H226-H302-H314-H317-H331

Flammable. Above 37 °C explosive vapour/air mixtures may be formed.

|Danger|H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P272, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P321, P330, P333+P313, P363, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 1679 companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H226: Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P272, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P307+P311, P310, P311, P314, P321, P330, P333+P313, P363, P370+P378, P403+P233, P403+P235, P405, and P501

Use foam, powder, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water.

Explosive limits , vol% in air: 1.8-7

Remove all ignition sources. Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.

Fireproof. Well closed. Separated from strong oxidants. Store in an area without drain or sewer access.

No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20 °C.

The substance is corrosive to the skin. The substance is severely irritating to the eyes. The vapour is irritating to the respiratory tract. Exposure could cause lowering of consciousness.

Repeated or prolonged contact may cause skin sensitization. The substance may have effects on the respiratory tract. This may result in tissue lesions.

NO open flames, NO sparks and NO smoking. NO contact with hot surfaces. Above 37 °C use a closed system, ventilation and explosion-proof electrical equipment. Use non-sparking handtools.

AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR!

Use ventilation, local exhaust or breathing protection.

Protective gloves. Protective clothing.

Wear face shield or eye protection in combination with breathing protection.

Fresh air, rest. Half-upright position. Refer immediately for medical attention.

Remove contaminated clothes. Rinse skin with plenty of water or shower for at least 15 minutes. Refer immediately for medical attention.

Rinse with plenty of water (remove contact lenses if easily possible). Refer immediately for medical attention.

3-methyl-2-butenal

The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

Cough. Sore throat. Burning sensation in the throat and chest. Drowsiness.

Redness. Pain. Skin burns. Blisters.

Redness. Pain. Blurred vision.

2-Butenal, 3-methyl-: ACTIVE|PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.

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