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Established in 1994 by dr.kaushik.n. Vyas, karn chem corporation stands prominent amongst india's photography, electroplating, and fine chemicals & leather chemicals manufacturers. The company is well equipped with best high-tech equipment & is backed by skilled & dedicated professionals in research & development, production and administration. + Read More

Nature of Business

Manufacturer

Year of Establishment

1994

Legal Status of Firm

Individual - Proprietor

GST Number

24AAVPV4474G1Z1

Sodium Carbonate Anhydrous
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Sodium carbonate anhydrous (na2co3), m.w. : 105.99 g/mol. Cas. No. 497-19-8

Specification

Physical appearance     white free flowing granular power

Appearance of solution    a 20% solution in distilled water should be clear and colourless

Assay as na2co3 98.5% min

 Bicarbonate as nah co3  0.4% max

Free alkali as naoh   0.03% max

Halides as c1    0.06% max

Heavy metals as pb  0.001% max

 Iron as fe      0.001% max

Packing    25kg / 50 kg /50 lb

 

 

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Potassium Bromide
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Potassium Bromide

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Potassium bromide (kbr), mw : 119.00 g/mol. Cas. N0. 7758-02-3

Specification

Physical appearance     white crystaline free flowing powder

Appearance of solution             10 % solution in distilled water should be clear & colourless & free from external impurities

Assay of dried material as kbr   98.5% min

Ph of solution    6.0 to 8.0 max.

Bromates as bro3         0.001 % max.

Iron as fe.         0.001 % max.

Heavy metal as pb        0.001 % max.

Sulphate as so4            0.01 % max.

Moisture by mass         0.50 % max.

Sodium as na    0.05 % max.

Chloride as cl   0.20 % max

Standard packing          25kg / 50kg / 50lb

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Sodium Thiosulphate Crystals
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Sodium thiosulphate crystals (na2s2o3.5h2o), m.w. : 248.19 g/mol. Cas no. 10102-17-7

Sodium hyposulphate pentanydrate , hypo

Specification

Physical appearance     white crystals.

Appearance of solution             a 20% solution in distilled water should be clear and colourless

Assay as na2s2o3.5h2o            97.0% min. W/w.

Ph of 10% solution       6.5 to 8.5 at room temp.

Sulphide as na2s           0.002% max.

Sulphate as so4            0.1 % max

Insolubels mater as ca, mg and nh4oh    0.4 % max.

Iron as fe          0.005 % max.

Heavy metals as pb       0.005% max.

Packing            25 kg / 50kg / 50lb

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Sodium Acetate Anhydrous
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Sodium Acetate Anhydrous

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Sodium acetate anhydrous (c2h3 nao2), mw : 82.03 g/mol. Cas no. 127-09-3

Specification

Physical appearance     white free flowing crystalline material

Appearance of solution             5 % solution in d.m. Water should be clear & colourless

Assay nac2h3o2           98.5% min

Ph of solution    6.5 to 8.5 max.

Alkalinity as naoh          0.5 % max.

Iron as fe.         0.005 % max.

Heavy metal as pb        0.005 % max.

Halides as nacl 0.05 % max.

Acidity as hc2h3o2       1.0 % max.

Loss on drying at 120 temp.      1.0 % max.

Sulphate as so4            0.005 % max.

Standard packing          25kg / 50lb

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Sodium Thiosulphate Anhydrous
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Sodium thiosulphate anhydrous (na2s2o3), m.w. : 158 g/mol.11 cas no. 7772-98-7, sodium thyposulphite

Specification

Physical appearance     white free flowing powder free from lunps and externals visibal impurities.

Appearance of solution   a 20% solution in distilled water should be clear and colourless

Assay as na2s2o3   97.0% min. W/w.

Ph of 10% solution   6.5 to 8.5 at room temp.

Sulphide as na2s   0.002% max.

Insolubels mater as ca, mg and nh4oh    0.4 % max.

Iron as fe  0.005 % max.

Heavy metals as pb   0.005% max.

Packing     25kg / 50kg / 50lb

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Sodium Meta Bisulphite
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Sodium Meta Bisulphite

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Sodium metabisulphite (na2s2o5), m.w. : 190.10 g / mol. Cas no. 7681-57-4

Specification

Physical appearance   white free flowing powder free from lunps and externals

Visibal impurities.

Appearance of solution      a 20% solution in distilled water should be

Clear and colourless

Assay as na2s2o5   96.0 % min. W/w.

Ph of 10% solution     3.5 to 5.5 at room temp.

Thiosulphate containt   0.1 % max.

Insolubels mater as

Ca, mg and nh4oh   0.4 % max.

Iron as fe    0.005 % max.

Heavy metals as pb     0.005 % max.

Packing    25kg / 50kg / 50lb

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Sodium Formaldehyde Bisulphite
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Sodium formaldehyde bisulphite (ch3nao4s), m.w : 134.09 g/mol , cas. No.: 870-72-4
formaldehyde sodium bisulphite, ( hydroxy methane sulphonic acid mono sodium salt )
specification
physical appearance     white crystaline powder
appearance of solution     25% solution in distilled water hould be clear & colourless & free from external impurities
assay as nahso3-hcho     97.0% min
free bisulphate as nahso3     0.20% max
thiosulphate as na2s2o3     0.05% max
iron as fe.     0.002% max
heavy metal as pb     0.002% max
volatile metter at 70o centigrade     0.5 % max
moisture by karl fischer     2.0 % max
packing     25kg / 50 kg /50 lb

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Sodium Acetate Trihydrate
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Sodium acetate trihydrate (c2h3nao2.3h2o), m.w : - 136.08 g/mol. Cas no. 6131-90-4

Specification

Physical appearance     white crystals

Appearance of solution     5 % solution in d.m. Water should be clear & colourless

Assay nac2h3o2.3h2o 99 % min

Ph of solution    6.5 to 7.5 max.

Alkalinity as naoh          0.5 % max.

Iron as fe.         0.005 % max.

Heavy metal as pb        0.005 % max.

Halides as nacl 0.5 % max.

Acidity as hc2h3o2       1.0 % max.

Sulphate as so4            0.005 % max.

Packing            25 kg / 50kg / 50 lb

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HSN CodeHSN Description

28321010Sulphites; thiosulphates - sodium sulphites : sodium bisulphite

28323010Sulphites; thiosulphates - thiosulphates : sodium thiosulphate (hypo)

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