Label abbreviations descriptions

METHYL 2-CYANOACRYLATE

Chemical Identification
CAS # 137-05-3
Formula

C₅H₅NO₂
Synonyms
 

mecrylate; methyl cyanoacrylate; methyl ⍺-cyanoacrylate; methyl ester of 2-cyanoacrylic acid; 2-propenoic acid-2-cyano-methyl ester; methyl ester

Physical Properties
Physical description Clear to slightly yellow liquid with a characteristic odor.
Boiling point 117-120°F at 1.8 mmHg Molecular weight 111.1
Freezing point/melting point Vapor pressure 0.2 mmHg at 77°F
Flash point 174°F Vapor density
Specific gravity 1.1044 at 81°F Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1735
Sampling group
Sampler/Sampling media XAD-7 tube (80/40 mg) coated with 10% NBD chloride [SKC 226-96]
Sampling time*
 

120 min
Sampling volume (TWA)*
 

12 L
Sampling flow rate (TWA)*
 

0.1 L/min
Sampling volume (STEL/Peak/C)*
 

 
Sampling flow rate (STEL/Peak/C)*
 

 
Analytical method instruments HPLC
Method reference OSHA 55 (fully validated)
Notes
 

Keep samples refrigerated when not in transit. Ship samples overnight with cold-packs as soon as possible.
Special requirements
 

 

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
 

 
Bulk Method
 

 

On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)

Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA
 

 

 REL-TWA
 

2 ppm (8 mg/m³)

 TLV-TWA
 
 

0.2 ppm [2017]

 PEL-TWA
 
 

0.2 ppm (0.908 mg/m³)
PEL-STEL
 

 

 REL-STEL
 

4 ppm (16 mg/m³)

 TLV-STEL
 
 

1 ppm [2017]

 PEL-STEL
 
 

 
PEL-C
 

 

 REL-C
 

 

 TLV-C
 
 

 

 PEL-C
 
 

 
Skin notation
 

NA

 Skin notation
 

N

 Skin notation
 
 

N

 Skin notation
 
 

N
Notes:
 

Not established

 Notes:
 

 

 Notes:
 
 

dermal sensitization (DSEN), respiratory sensitization (RSEN)

 Notes:
 
 

 
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Not listed Notes:
 
 

 
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 
 

 

Additional Resources and Literature References

Last Updated Date : 01/05/2021