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Merck
CN

76607

Urethane

analytical standard

Synonym(s):

Carbamic acid ethyl ester, Ethyl carbamate, Ethylurethane

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About This Item

Linear Formula:
NH2COOC2H5
CAS Number:
51-79-6
Molecular Weight:
89.09
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
329767204
EC Number:
200-123-1
Beilstein/REAXYS Number:
635810
MDL number:
MFCD00007966

Key Documents

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Product Name

Urethane, analytical standard

InChI key

JOYRKODLDBILNP-UHFFFAOYSA-N

InChI

1S/C3H7NO2/c1-2-6-3(4)5/h2H2,1H3,(H2,4,5)

SMILES string

CCOC(N)=O

grade

analytical standard

vapor density

3.07 (vs air)

vapor pressure

10 mmHg ( 77.8 °C)

assay

≥98.0% (GC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

bp

182-184 °C (lit.)

mp

46-49 °C
48-50 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

Quality Level

100

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

General description

Urethane is used as an anesthetic in animals, since it shows minimal effects on cardiovascular and respiratory systems and maintenance of spinal reflexes. It can also be used in the synthesis of poly(urethane urea) segmented block, which can find applications as blood sacs in ventricular assist devices and total artificial hearts.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

hcodes

H302,H350

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

197.6 °F - closed cup

flash_point_c

92 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN9175
BCCJ5174
BCCC2419
BCBS8237V

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New biomedical poly (urethane urea)? layered silicate nanocomposites
Xu R, et al.
Macromolecules, 34, 337-339 (2001)
The anesthetic mechanism of urethane: the effects on neurotransmitter-gated ion channels
Hara, et al.
Anesthesia and Analgesia, 94, 313-318 (2002)
C A Maggi et al.
Experientia, 42(5), 531-537 (1986-05-15)
The suitability of urethane anesthesia for physiopharmacological experiments in various systems is briefly reviewed. Urethane anesthesia appears to be suitable for various types of studies on respiratory function and on reflex activation of motility of the urinary bladder and some
C A Maggi et al.
Experientia, 42(2), 109-114 (1986-02-15)
The suitability of urethane anesthesia for physiopharmacological investigations is reviewed. Total dose administered and route of administration are recognized as factors having a great influence on both resting parameters and biological responses to drugs. A peculiar characteristic of urethane is
J Schlatter et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 28(3), 205-211 (1990-03-01)
Ethyl carbamate is found in fermented foods: bread contains 3-15 ng/g, stone-fruit brandies 200-20,000 ng/g, and about one-third of table-wine samples analysed contained more than 10 ng/g. In animals, ethyl carbamate is degraded to CO2, H2O and NH3, with intermediate
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