Introduction Of Products

Molecular formula:C2H5NO2

Molecular weight:75.07

Structure formula:NH2CH2COOH

Physical-chemistry property:

White crystal powder.sweet taste,esay to be dissolved in water,slightly dissolved in
methanol and ethanol,but not dissolved in acetone and ether,melting point:
between232-236o C(decomposition).
Quality specification:
Tech-grade adopts the enterprise standard of Donghua General Company
HG/T2029-2004(The chemi-cal industry standard was also made by our company);
Fodder grade adopts our enterprise standard Q/08JDH18-2006;
Food grade adopts the standard of Japan Food Additive Manual 7th edition;
Pharma-grade adopts the standard of American Pharmacopeia.


Item   Specification
  Tech-grade Food grade Food grade Pharma-grade
qualified A-grade Super
Assay,% ≥97.5 ≥98.0 ≥98.5 ≥98.5 98.5-101.5 98.5-101.5
Chloride(CI),% ≤0.60 ≤0.50 ≤0.40 ≤0.20 ≤0.010 ≤0.007
Heavy metal(Pb),% ---- --- --- ≤0.002 ≤0.002 ≤0.002
Arsenic(As),% --- --- --- ≤0.0002 ≤0.0001 ≤0.0001
Lead,% --- --- --- ≤0.0005 ≤0.0005 ---
Iron(Fe),% ≤0.005 ≤0.003 ≤0.003 ≤0.002 --- ---
Sulfate($0a),% --- --- --- --- --- ≤0.0060
Loss on drying,% ≤0.50 ≤0.30 ≤0.30 ≤0.30 ≤0.20 ≤0.20
Residue on ignition,% --- --- --- ≤0.10 ≤0.10 ≤0.10
PH value --- --- 5.5-7.0 5.5-7.0 5.5-7.0 ---
Color and clarity --- --- Clear Up to.S. Up to.S. ---
Readily hydrolyzable substances --- --- --- --- --- Up to.S.
Organic volatile impurities --- --- --- --- --- Up to.S.

Hebei Wuyi Dyestuff Chemical Plant

Attn: Mr.Sun Shusheng

 dyestuff-1.JPG (10282 bytes)
Add: No. 7 Fuxing Road, Qingliangdian, Wuyi County, Hebei Province, China
P.C.: 053411
Tel: +86-318-5815227
Fax: +86-318-5816458
E-mail: info@chinadyestuffs.com