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109-90-0 - Ethyl isocyanate, 98% - B25180 - Alfa Aesar

B25180 Ethyl isocyanate, 98%

CAS Number
109-90-0
Synonyms

Ethyl isocyanate, 98%

MDL
MFCD00002042
EINECS
203-717-9

Chemical Properties

Formula
CH3CH2NCO
Formula Weight
71.08
Boiling Point
60-61°
Flash Point
-6°(21°F)
Density
0.901
Refractive Index
1.3800
Sensitivity
Moisture Sensitive

Literature References

For general reactions of isocyanates, see Appendix 3.

/n

Has been used to protect the SH group of cysteine as the S-(N-ethylcarbamate). The group is stable to acid but can be readily cleaved with aqueous NaOH: Helv. Chim. Acta, 49, 83 (1966), or by Hg or Ag salts: J. Am. Chem. Soc., 94, 6170 (1972).

/n

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H301-H330-H315-H319-H335-H334

Highly flammable liquid and vapour. Toxic if swallowed. Fatal if inhaled. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled.

Precautionary Statements: P210-P260-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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.

Other References

Beilstein
773743
Hazard Class
6.1
Packing Group
I
Harmonized Tariff Code
2929.10
TSCA
Yes
RTECS
NQ8825000

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