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

B25180 Ethyl isocyanate, 98%

CAS-Nummer
109-90-0
Synonyme

Ethyl isocyanate, 98%

MDL
MFCD00002042
EINECS
203-717-9

Chemische Eigenschaften

Formel
CH3CH2NCO
Molmasse
71.08
Siedepunkt
60-61°
Flammpunkt
-6°(21°F)
Dichte
0.901
Brechungsindex
1.3800
Sensitivität
Moisture Sensitive

Literaturverweise

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 Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H225-H301-H330-H315-H319-H334-H335

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

Sicherheitshinweise: P301+P310a-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P405-P501a

IF SWALLOWED: 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.

Weitere Referenzen

Beilstein
773743
Gefahrenklasse
6.1
Verpackungsgruppe
I
Harmonized Tariff Code
2929.10
TSCA
Yes
RTECS
NQ8825000

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