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Selenourea

Selenourea structure

CAS No:
630-10-4
Formula:
CH4N2Se
Chemical Name:
Selenourea
Synonyms:
Selenourea;Urea,seleno-;Carbamimidoselenoic acid;2-Selenourea;Selenouronium;Isoselenourea;NSC 227840
Categories:
Chemical Reagents > Organic Reagents

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Description

slightly pink to grey crystalline needles

Selenourea Basic Attributes

Molecular Weight：

123.02

Exact Mass：

123.02

EC Number：

211-129-9

HScode：

29310099

Characteristics

PSA：

49.9

Appearance：

pink solid

Melting Point：

200 °C (decomp)

Boiling Point：

230.913ºC at 760 mmHg

Flash Point：

93.453ºC

Water Solubility：

soluble in water, alcohol and ether.

Storage Conditions：

2-8°C

Toxicity：

Oral-rat LD50: 50 mg/kg

Flammability characteristics：

Decomposes toxic nitrogen oxide and selenide gas when heated

Safety Information

Packing level：

Hazard category：

6.1

Transport codes：

UN 3283 6.1/PG 2

wgk germany：

hazard class code：

23/25-33-50/53

safety instructions：

20/21-28-45-60-61

RTECS Number：

YU1820000

Marks：

T,N

Storage features：

The warehouse is ventilated, low temperature and dry; stored and transported separately from food materials

Precautionary statement(s)：

P260, P261, P264, P270, P271, P273, P301+P310, P304+P340, P311, P314, P321, P330, P391, P403+P233, P405, P501

Hazard Statements：

H301

Toxicity

Toxicity class：

highly toxic

Computed Properties

Molecular Weight:123.03
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:1
Exact Mass:123.95397
Monoisotopic Mass:123.95397
Topological Polar Surface Area:49.9
Heavy Atom Count:4
Complexity:33
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes