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Thiourea, also chemically named as Thiocarbamide, is a nitrogen and sulfur containing compound. It has three functional. groups, amino, imino and thiol, each with important biological roles.
THIOUREA AR is used in vulcanization accelerators. It is used as an auxiliary agent. It is used in silver – gelatin photographic prints. It is used in diazo paper, light – sensitive photocopy paper.
The percentages of nitrogen and sulfur in all the samples synthesized from thiourea were roughly 5–20 wt. % and 3–8 wt. % even after washing with hot water, respectively.
PRODUCT NAME | : | DODECYLBENZENE |
CAS number | : | 123-01-3 |
UN number | : | |
Formula | : | C12H25C6H5 |
Odour | : | KEROSENE LIKE |
Solubility in water | : | NEGLIGIBLE |
Density | : | 0.9 at oC |
Boiling point | : | 246oC |
Melting point | : | oC |
Viscosity | : | |
Flashpoint | : | 113oC |
Explosive limits | : | 0.6 - ? Vol% |
Vapour pressure | : | 0.1 mbar at 20 oC |
Skin absorption/irritation | : | YES |
TLV Country | : | |
Pollution category 1994 | : | III |
CHLOROFORM |
||
Test |
Unit |
Results |
Colour |
APHA |
10 max. |
Sp. Gravity (15/4°C) |
|
1.498/1.502 |
Purity |
% |
99.9 min. |
Methylene Chloride |
ppm |
40 max. |
Carboin Tetrachloride |
ppm |
40 max. |
1.1 Dichloroethane |
ppm |
80 max. |
CIS 1-2 Dichloroethylene |
ppm |
100 max. |
Moisture |
ppm |
100 max. |
Free Chlorine |
ppm |
1 max. |
Acidity (as HCI) |
ppm |
NIL |
PRODUCT NAME |
: |
LACTICACID |
CAS number |
: |
50-21-5 |
UN number |
: |
|
Formula |
: |
CH3CHOHCOOH |
Odour |
: |
ODOURLESS |
Solubility in water |
: |
COMPLETE |
Density |
: |
1.2 at oC |
Boiling point |
: |
122 oC |
Melting point |
: |
18 oC |
Viscosity |
: |
>74 oC |
Flashpoint |
: |
|
Explosive limits |
: |
|
Vapour pressure |
: |
|
Skin absorption/irritation |
: |
YES |
TLV Country NL Year 1995 |
: |
|
Pollution category 1994 |
: |
D |
Typical Physical Properties
Physical Appearance………white powder or clear liquid
Specific Gravity……………..1.542
Bulk Density…………………63 lb/ft³
Hygroscopic…………………slightly
pH in water………………….1.87