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478407

Sigma-Aldrich

Methyl isocyanatoformate

90%

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About This Item

Linear Formula:
OCNCO2CH3
CAS Number:
5843-42-5
Molecular Weight:
101.06
MDL number:
MFCD00037079
UNSPSC Code:
12352100
PubChem Substance ID:
24871504
NACRES:
NA.22

Assay

90%

refractive index

n20/D 1.413 (lit.)

bp

97 °C (lit.)

density

1.251 g/mL at 25 °C (lit.)

storage temp.

−20°C

SMILES string

COC(=O)N=C=O

InChI

1S/C3H3NO3/c1-7-3(6)4-2-5/h1H3

InChI key

YOVQDZPAVARTTR-UHFFFAOYSA-N

General description

Methyl isocyanatoformate, also known as methyl carbonisocyanatidate, is an organic building block containing an isocyanate group.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

87.8 °F - closed cup

Flash Point(C)

31 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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