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NIOSH Pocket Guide to Chemical Hazards

September 2005

Methyl-2-cyanoacrylate

CAS
137-05-3

CH2=C(CN)COOCH3

RTECS
AS7000000
Synonyms & Trade Names

Mecrylate, Methyl cyanoacrylate, Methyl alpha-cyanoacrylate, Methyl ester of 2-cyanoacrylic acid
DOT ID & Guide

Exposure
Limits

NIOSH REL: TWA 2 ppm (8 mg/m3) ST 4 ppm (16 mg/m3)
OSHA PEL†: none
IDLH
N.D. See: IDLH INDEX
Conversion
1 ppm = 4.54 mg/m3
Physical Description
Colorless liquid with a characteristic odor.
MW: 111.1
BP: ?
FRZ: ?
Sol: 30%
VP(77°F): 0.2 mmHg
IP: ?

Sp.Gr(81°F): 1.10
Fl.P: 174°F
UEL: ?
LEL: ?

Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
Incompatibilities & Reactivities

Moisture [Note: Contact with moisture causes rapid polymerization.]
Measurement Methods
OSHA 55
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: Daily
Remove: No recommendation
Change: No recommendation
Provide: Eyewash
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Water wash
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
Not available.
Important additional information about respirator selection
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
Irritation eyes, skin, nose; blurred vision, lacrimation (discharge of tears); rhinitis
Target Organs
Eyes, skin, respiratory system
See also: INTRODUCTION   See ICSC CARD: 1272

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