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we import
gamma-butyrolactone(GBL)
Ethanolamine(MEA)
Sulfur
Waste paper(American waste No.3, No.6, No.7, No.8, No9, No.11, No.13, No.37, No.40 etc.)
29.Hydroxylamine hydrochloride
Molecular formula: NH2OH·HCL
Molecular weight: 69.5
CAS No.: 5470-11-1
Physicochemical property:
white crystal,easy deliquescence. specific gravity (17)1.67 melting point152(disassemble)dissolve in water ethanol and glycerin, undissolve in aether.
Use:
mainly as reducing agent and developer, be used to make oxime inorganic synthesis,and also as material to synthesize anticancer medicine(hydroxyurea), sulfonamide(sinomin) and pesticide (methomyl). As depolariser in electroanalysis and as non-staining short-term abeyant agent in synthesis rubber industry.Product quality: Q/03HH S001-9
Indicator name
Spec 1
Spec 2
Spec 3
Appearance
White crystal
White crystal
White crystal
Content ≥
98.0
99.0
99.0
Moisture ≤
0.5
0.4
0.3
Sulphate ≤
 
0.02
0.002
Iron ≤
 
0.0005
0.0003
Package: Net weight 25kg plastic insulated bags.
Using:  It is kinds of material of melamine,and intermediate pan of syntheticdrug,pesticides and coloring agent.It can be produced guanidine nitrate,sulfanilamide,sulfocarbamide,rubber accelerator,hardening of steel,fixing agent of dyeprinting,sizing agent,compound fertilizer,etc.

PYROMELLITIC DIANHYDRIDE(PMDA)

CAS No.89-32-7


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