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Thiourea 99% China
Thiourea 99% China - photo 1 Thiourea 99% China - photo 2
Posted: 28 November 2019, 01:16

Thiourea 99% China

Price on request
Седалищева Сардана Николаевна
менеджер по работе с клиентами из России и СНГ
Flagma member since 11 October 2019

Description

Thiourea 99%, also named Thiocarbamide
Molecular formula: CH4N2S, Molecular weight: 6.12
CAS.: 62-56-6
Packaging: 25kg plastic woven bag.
HS CODE: 29309090.99
DG CLASS: 9 or 6.1
UN NO.: 3077 or 2811

Product character: Thiourea is a white sheen slice, pillar or needle form shining crystallize body, density 1.046, melt point 170-172. It can dissolves in cold water, ammonium sulphur prussic acid and alcohol, also easily dissolves in aether.
Thiourea is an organosulfur compound of with the formula SC(NH2)2 . It is structurally similar to urea, except that the oxygen
atom is replaced by a sulfur atom, but the properties of urea and thiourea differ significantly. Thiourea is a reagent in organic
synthesis. "Thioureas" refers to a broad class of compounds with the general structure (R1R2N)(R3R4N)C=S. Thioureas are related to
thioamides, e. g. RC(S)NR2, where R is methyl, ethyl, etc.

Using: The product is widely used in pharmaceutical industry, agricultural, chemicals, metallurgical industry, petroleum and so on, It is also main material for producing thiourea dioxide.

Executive standard HG/T3266-2002

Specifications Best grade Frist grade Qualified grade
Content of thiourea,% min 99.0 98.5 98.0
Loss after heated,% max 0.40 0.50 1.00
Ash content,% max 0.10 0.15 0.80
Water insoluble matter,% max 0.02 0.05 0.10
Suiforho danide(with CNS-), 0.02 0.05 0.10
% max
Melting point, 171 170 -

Ad number: 1705   |  views: 4  
Flagma member since 11 October 2019

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Седалищева Сардана Николаевна
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