Thiourea

Test Description

Specification Limits

Min. Max.

Unit of Measure

Test Method

Purity

99.90

%

ASTM –D4961

Appearance

Clear colorless liquid

Visual

Color ( pt/co –Scale)

10

D-1686

Solidification point(dry basis)

40.4

%

Miscibility in Water

Clear at 20 degree C

D-1722

1 portion of phenol with

12 potions of waters

Density ( 50 ◦C)

1.047 -1.053

g/ml

D-3505

Destillation Range

Incl. Bp- 181.8 0C)

2

D -850