Tianjin Tiger International Trade Co., Ltd.
Main products:Sodium Thiosulfate,Sodium Sulphide,Sodium Hydrosulfide,Ammonium Bicarbonate,Ammonium Chloride,Caustic Soda
Products
Contact Us
  • Contact Person : Ms. fengqin li
  • Company Name : Tianjin Tiger International Trade Co., Ltd.
  • Tel : 0086-22-23235965
  • Fax : 0086-22-23235963
  • Address : Tianjin,TIANJIN,ROOM803, NO.2-4, FUYU SQUARE, SOUTH JIEFANG ROAD,HEXI DISTRICT,TIANJIN,CHINA
  • Country/Region : China
  • Zip : 300202

ASCORBIC ACID

ASCORBIC ACID
Product Detailed
ASCORBIC ACID It can be used as food additive,feed additive CAS No: 50-81-7 Specification: BP/USP/EP Packing:25KG/CTN

INSPECTION RESULT

Iterms

Standards

Result

Chatactoristics

White or almost white crystal powder

Pass

Identification

Positive reaction

Positive

Melting

190

191

Ph

2.1-2.6

2.3

Clarity of solution

clear

clear

Colour of solution

≤BY7

<BY7

Copper

≤5ppm

<5ppm

Heavy metals

≤10ppm

<10ppm

Lead

≤2ppm

<2ppm

Iron

≤2ppm

<2ppm

Oxalic acid

≤0.2%

<0.2%

Sulphate ash

≤0.1%

0.03%

Specific optical rotation

+2.05-+21.5

+21.0

Assay

99.0%-100.5%

99.9%

Organic volatile imparities

Pass

Pass

Residual solvents

Methanol:3000ppm

<3000ppm

Conclusion

QUALIFIED

It can be used as food additive,feed additive

ASCORBIC ACID



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