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238627

Sigma-Aldrich

Ethyl isocyanatoacetate

95%

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About This Item

Linear Formula:
OCNCH2COOCH2CH3
CAS Number:
2949-22-6
Molecular Weight:
129.11
Beilstein:
970503
EC Number:
220-967-4
MDL number:
MFCD00002040
UNSPSC Code:
12352100
PubChem Substance ID:
24854337
NACRES:
NA.22

Quality Level

200

Assay

95%

form

liquid

impurities

<5% N-(chloroformyl)glycine ethyl ester

refractive index

n20/D 1.422 (lit.)

bp

67-68 °C/11 mmHg (lit.)

density

1.151 g/mL at 25 °C (lit.)

SMILES string

CCOC(=O)CN=C=O

InChI

1S/C5H7NO3/c1-2-9-5(8)3-6-4-7/h2-3H2,1H3

InChI key

DUVOZUPPHBRJJO-UHFFFAOYSA-N

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Related Categories

Application

Ethyl isocyanatoacetate has been used in the preparation of:
  • 6-(carboxymethylureido)-(±)-nicotine (CMUNic), nicotine immunogen
  • ethyl 8-carbamoyl-4-oxo-3,4-dihydroimidazo[5,1-d]-1,2,3,5-tetrazin-3-ylacetate
  • imidazo[1,2-c]-quinazoline-2,5-(3H,6H)dione

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

161.6 °F - closed cup

Flash Point(C)

72 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

238627-10G:
238627-50G:
238627-BULK:
238627-VAR:
238627-5G:

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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Antitumour imidazotetrazines. Part 33. New syntheses of the antitumour drug temozolomide using 'masked'methyl isocyanates.
Malcolm FG.
Journal of the Chemical Society. Perkin Transactions 1, 21, 2783-2787 (1995)
A Facile Synthesis of Imidazo [1, 2-c] quinazoline-2, 5-(3H, 6H) dione.
Papadopoulos EP.
Journal of Heterocyclic Chemistry, 18(3), 515-518 (1981)
Y Hieda et al.
The Journal of pharmacology and experimental therapeutics, 283(3), 1076-1081 (1998-02-12)
The ability of active immunization to alter nicotine distribution was studied in rats. Animals were immunized with 6-(carboxymethylureido)-(+/-)-nicotine (CMUNic) linked to keyhole limpet hemocyanin (KLH). Antibody titers determined by ELISA, using CMUNic coupled to albumin as the coating antigen, were

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