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CAS NO:7758-11-4

MOLECULAR FORMULA : K₂HPO₄

MOLECULAR WEIGHT : 174.18

SPECIFICATION	BP	USP
Description	White or almost white powder or colorless crystals, very hygroscopic.	White or almost white powder or colorless crystals, very hygroscopic.
Solubility	Very soluble in water, very slightly soluble in ethanol (96 per cent).	–
Appearance of solution	Solution is clear & Colorless	–
Identification (A) ) Reaction (B) Reaction (C) Reaction	A. Solution S (see Tests) is slightly alkaline B. Solution S gives reaction of phosphate C. Solution S gives reaction of potassium	A. Solution S gives reaction of phosphate B. Solution S gives reaction of potassium
Reducing substances	The solution remains faintly pink.	–
Heavy Metals	–	NMT 0.001 %
Limit of Fluoride	–	NMT 0.001 %
pH	–	8.5-9.6
Monopotassium phosphate	This ratio is not greater than 0.025.	–
Chlorides	NMT200 ppm	–
Sulphates	NMT 0.1 %	–
Arsenic	NMT 2 ppm	–
Sodium	NMT 0.1 %	A solution tested on a platinum wire imparts no pronounced yellow color to a nonluminous flame.
Limit of Monobasic OR tribasic salt	–	NMT 0.001 %
Iron	NMT10 ppm	NMT 30 ppm
Residual solvents	–	Meets the requirement
Loss on Drying(at 125-130˚C)	NMT 2.0 %	NMT 1.0 %
Assay (dried substance).	98.0 % to 101.0 %	98.0 % to 100.5 %

	1%	4%
DIRECT TURQ. BLUE STD (Direct Blue 86)
DIRECT TURQ. BLUE 135%. (Direct Blue 86)

General Properties
Dyeing Properties	Exhaustion	Fair
	Leveling	Good
Fastness Properties	Acid	3
	Alkaline	3
Hot Pressing		3-4
Day Light 1/1		6-7
Washing	Alteration	2
	Stain	3
Water	Alteration	2
	Stain	3-4
Dischargeability		Netural Fairy Good Alkaline- Fair
Fixation Temp. Exhaust Dyeing		90°C
Solubility		30-40

CAS NO: 6381-92-6

MOLECULAR FORMULA :- C₁₀H₁₄N₂Na₂O₈2H₂O

MOLECULAR WEIGHT :- 372.24 g/ mol

SPECIFICATION	IP	BP	USP
Description	A white ,crystalline powder, Odourless	White or almost white, crystalline powder.	White or almost white, crystalline powder.
Solubility	–	Soluble in water, practically insoluble in ethanol (96 %)	–
Identification A. IR B. Reaction C. Reaction D. Reaction	A. Must comply with the disodium edetate RS B. No precipitate is produced. C. No precipitate is produced. D. It gives reaction of sodium salt.	A. Must comply with the disodium edetate RS B. No precipitate is produced. C. No precipitate is produced. D. It gives reaction of sodium salt.	A. Must comply with the disodium edetate RS B. The red color is discharge, leaving a yellowish solution C. It gives reaction of sodium salt.
Appearance of solution	5 % w/v solution in carbon dioxide free water is Clear & colorless	Clear & colorless	–
pH	4.0-5.5 ( 5 % w/v solution )	4.0-5.5 ( 5 % w/v solution )	4.0-6.0
Loss on Drying	–	–	8.7 %-11.4 %
Calcium	–	–	No precipitate is formed.
Impurity A Limit of nitrilotriacetic acid(USP)	NMT 0.1 %	NMT 0.1 %	NMT 0.1 %
Heavy metals	NMT 20 ppm	–	NMT 50 ppm
Iron	NMT 80 ppm	NMT 80 ppm	–
Assay	98.5 %-101.0 %	98.5 %-101.0 %	99.0 %-101.0 %(on Dried basis)

CAS NO: 7720-78-7

MOLECULAR FORMULA :- FeSO₄

MOLECULAR WEIGHT :- 151.91 g/mol

SPECIFICATION	IP	BP	USP
Description	Grayish white to buff colored powder.	Grayish white powder.	Grayish white powder.
Solubility	–	Slowly but freely soluble in water. Very soluble in boiling water, practically insoluble in ethanol (96%)	–
pH	–	3.0-4.0	–
Identification (A) Reaction (B) Reaction (C) Assay	A. Reaction of sulfates B. Reaction of Ferrous Salt	A. Reaction of sulfates B. Reaction of Irons C. It complies with limit of assay.	A. Reaction of sulfates B. Reaction of Ferrous Salt
Chloride	–	NMT 300 ppm	–
Insoluble Substances	–	–	NMT 0.05 %
Basic sulphate	Producing solution that is not more than faintly turbid.	–	–
Arsenic	NMT 3 ppm	–	NMT 3 ppm
Lead	NMT 50 ppm	–	NMT 10 ppm
Mercury	–	–	It meets the requirements of the test for mercury
Chromium	–	NMT 100 ppm	–
Copper	NMT 50 ppm	NMT 50 ppm	–
Ferric ions	–	NMT 0.5 %	–
Manganese	NMT 0.1 %	NMT 0.1 %	–
Nickel	–	NMT 100 ppm	–
Zinc	NMT 500 ppm	NMT 100 ppm	–
Organic volatile impurities	–	–	Meets the requirements.
Residual Solvents	–	–	Meets the requirements.
Assay	86.0 % – 90.0 %	86.0 % – 90.0 %	86.0 % – 89.0 %

Showing 19–24 of 74 items