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Merck
CN

88810

Thiourea

puriss. p.a., ACS reagent, ≥99.0%

Synonym(s):

Sulfourea, Thiocarbamide

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About This Item

Linear Formula:
NH2CSNH2
CAS Number:
Molecular Weight:
76.12
EC Number:
200-543-5
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
605327
MDL number:
Assay:
≥99.0%
Form:
crystals
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InChI key

UMGDCJDMYOKAJW-UHFFFAOYSA-N

InChI

1S/CH4N2S/c2-1(3)4/h(H4,2,3,4)

SMILES string

NC(N)=S

grade

ACS reagent, puriss. p.a.

assay

≥99.0%

form

crystals

ign. residue

≤0.1% (as SO4)

loss

≤0.5% loss on drying, 105°C, 2h

Gene Information

mouse ... Ephx2(13850)

mp

174-177 °C

solubility

water: soluble 137 g/L at 20 °C

anion traces

sulfate (SO42-): ≤100 mg/kg

cation traces

Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤10 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

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Application

Chaotropic agent; strong denaturant. Increases solubility and recovery of proteins
Thiourea may be used in the synthesis of thiobarbiturates and graphitic carbon nitride (g-C3N4).

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Carc. 2 - Repr. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

危险化学品
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Polycondensation of thiourea into carbon nitride semiconductors as visible light photocatalysts.
Zhang G, et al.
Journal of Materials Chemistry, 22(16), 8083-8091 (2012)
Eagleson M.
Concise Encyclopedia Chemistry, 115-115 (1994)
The dissolution of gold in acidic solutions of thiourea.
Groenewald T.
Hydrometallurgy, 1(3), 277-290 (1976)
Adam R Brown et al.
Journal of the American Chemical Society, 135(18), 6747-6749 (2013-04-20)
Catalysis of Cope-type rearrangements of bis-homoallylic hydroxylamines is demonstrated using chiral thiourea derivatives. This formal intramolecular hydroamination reaction provides access to highly enantioenriched α-substituted pyrrolidine products and represents a complementary approach to metal-catalyzed methods.
Yoshiji Takemoto
Chemical & pharmaceutical bulletin, 58(5), 593-601 (2010-05-13)
We have developed several multifunctional thiourea catalysts bearing a tertiary amine or an 1,2-amino alcohol in expectation of their synchronous activation of a nucleophile and an electrophile through both acid-base and hydrogen-bonding interactions. From these studies, it was revealed that

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