Krishna Chemicals
 

  CHEMICAL SPECIFICATIONS
"P"


PARAFORMALDEHYDE
Test Results

Appearance

White Powder
Smass fraction of Formaldehyde %
94-98
Melting Point °C Max.
145
Mass fraction of Ash % Max.
0.05%
Solutions in Water
Close to 100%
Residue on the Mesh no. 4
Absent



PENTAERYTHRITOL (TECH)
Test Technical Grade Nitetion Grade

Appearance

White Crystalline
White Crystalline
Monopentaerythritol, % w/w (Min.)
95.0
98.0
Dipentaerythritol, % w/w (Max.)
3.0
0.5
Melting Point °C (Min.)
240
252
Moisture (By loss on drying), % w/w (Max.)
0.3
0.2
Ash, % w/w (Max.)
0.05
0.02
Hydroxyl Value, % w/w (Min.)
48
49



PETROLEUM ETHER 60 : 80
Test    

Colour

Water
White
Sp. GR. 20°C
0.668
 
Distillation started at
55°C to 60°C
10%
Distillation completed at
80°C to 85°C
 



PHOSPHOROUS TRICHLORIDE
Test Results

Formula

PCI3
Molecular Wt.
137.35
Specific Gr.
1.57 gm/ml
Appearance
Colourless to Yellow clear liquid
Distillation Range
90% between 74.5° - 79°C
Solubility
In organic solvents - Benzene, ether-Carbon disulphide Carbon Tetra Chloride.
When exposed to atmospheric moisture. Yellow mass appears which does not effect the potency or reactivity.
Melting Point
(-) 118.80°C
Boiling
76°C
Vapour Density
1.58 grm/ml
Density
At 20°C (gms/ml) 1.58 gms/ml
MAC
3 mgm/gm3
Critical Temp
285.5°C



PHOSPHOROUS PENTACHLORIDE
Test Results

Formula

PCI5
Molecular Wt.
208.24
Specific Gr.
3.60
Appearance
Light Lemon yellow fine granular powder
Solubility
In organic solvents - Benzene, ether-Carbon disulphide Carbon Tetra Chloride.
It hydrolyses violently forming hydrochloric Acid mist, phosphoric acid and POCI3
Melting Point
148°C (Under pressure)
Boiling
160°C
Density
At 20°C (gms/ml) 1.28 gms/ml
MAC
0.5 mgm/gm3
Assy
99%
PCI3 (NMT) 0.3%
Iron - 5ppm;   Lead - 5ppm;   P (Elemental) - 0



PHOSPHOROUS OXYCHLORIDE
Test Results

Formula

POCI3
Molecular Wt.
153.33
Specific Gr.
1.675 (20°C)
Appearance
Water clear liquid
Solubility
In Carbon disulphide, Chloroform Benezene and Carbon Tetra Chloride. It gydrolysis violently forming hydrochloric Acid mist and phosphoric acid.
Melting Point
1.25°C (Under pressure)
Boiling
107°C
Density
At 20°C (gms/ml) 1.68 gms/ml
MAC
3 mgm/gm3
Vapour Density
5.30
Critical Temp
331.80
Viscocity
.44 CST (20°C)



PHOSPHOROUS PENTOXIDE
Test Results

Formula

POCI3
Molecular Wt.
141.95
Appearance
White Crystalline Powder
Solubility
Decomposes in water to give phosphoric Acid as H3PO4
Melting Point
34°C
Viscocity
300°C
Assy
98% (NLT) phosphrous Trioxide (NNT)
0.30% Iron (NNT) - 2ppm



PHTHALIC ANHYDRIDE
Characteristics Guranteed Typical

Appearance

White Flakes
Purity, wt.% (Gaschromatography)
Min.
99.8
99.9
Maleic Anhydride, wt.%
Max.
130.7
130.8
Melt Colour, APHA
Max.
20
10
Heat Stability, APHA (90 minutes at 250°C)
Max.
50
30



POTASSIUM HYDROXIDE PURE PELLETS
Test 02/06/137 B 1-320

KOH (real content)

85.34%
Potassium carbonate (K2CO3)
0.37%
Chloride (CI)
5 ppm
Sulphate (SO4)
<5 ppm
Total nitrogen (N)
<3 ppm
Heavy metals (as Ag)
<5 ppm
Iron (Fe)
2 ppm
Arsenic (As)
<0.1 ppm



POTASSIUM CARBONATE 98%
Test Results

Colour

White Powder
Appearance
Anhydrous white Powder, easy to handle
Solubility
Readily dissolves in water
Total Alkalinity
98 % min
Sulfate
0.1% max
Chlorides
Less than 250 ppm
Iron
Less than 50 ppm
Other Impurities
0.8% max
Moisture
1.0% max



POTASSIUM PERMANGANATE
Test Results
  Free Flowing Grade Technical Grade Pure Grade

Appearance

Free flowing powder
In Powder form
In Crystal form
Purity (Min.)
97%
98%
99%
Moisture (H2O) (Max.)
0.50%
0.50%
0.40%
Sulphate (SO4) (Max.)
0.10%
0.10%
0.04%
Chloride (CL) (Max.)
0.20%
0.20%
0.10%
Insoluble Matters (Max.)
1.70%
1.00%
0.50%



PROPYLENE GLYCOL (INDUSTRIAL GRADE)
Test Unit Results

Appearance

-
Clear liquid
Colour
APHA
10 Max.
Distillation Range
°C
184 - 189
Specific Gravity at 250°C
-
1.035 - 1.040
Water
% w/w
0.2 Max.
Purity as C3H802 by GLC
% w/w
99.5 Min.
Suspended matter
-
Substantially free
Solubility in Water
-
Complete



PYRIDINE
Test Results

Appearance

Clear clean liquid, free from suspended matter
Colour, H. U. (Pt-Co scale)
10
Solubility
Soluble in water in all proportions
Moisture, %by Mass (By K.F.)
0.08
Distillation range at 760 MM of Hg
First drop to dry point 0.7°C (including 115.3 ± 0.1°C)
Assay, % (By GC, FID, AREA %)
99.93