Thiourea
MOLECULAR FORMULAR: (NH2)2CS
SPECIFICATION: ZBC 17013-88
| ITEMS | INDEX | ||
|---|---|---|---|
| I | II | III | |
| (NH2)2CS, %,≥ | 99.0 | 98.5 | 98.0 |
| Loss (by heating), %,≤ | 0.40 | 0.50 | 1.00 |
| Ash, %,≤ | 0.10 | 0.15 | 0.30 |
| Insolubles in water,%,≤ | 0.02 | 0.05 | 0.10 |
| Thiocyanate (as per CNS), %, ≤ | 0.02 | 0.05 | 0.10 |
| Melting Point , ℃,≥ | 171 | 170 | - |
PACKING: 25kg net each in P.P woven bag lined with P.E bag;
PROPERTY: White and lustrous granular crystal; soluble in water; tasting bitter; being oxidized slowly in air; being decomposed by heating;
USES:Mainly used in medicine, textile, dyeing, papermaking, photograph, synthetic resin, electroplating, making blueprint, boiler cleaning, metallurgy etc;