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Contact Person :
Ms. Tingxian Wu
Company Name :
Changzhou Welotn Chemical Co.,Ltd
Tel :
0086-519-85910828
Fax :
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Address :
Jiangsu,Changzhou,Binjiang Chemical park
Country/Region :
China
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chopped strand mat
MC series Me...
Tris(hydroxymethyl)nitromethane
Appearance: Slightly yellow Crystalline Powder Assay: 98% Melting Point: 160-162°C Moisture:...
4-Aminophthalic acid
Assay?98% Melting point342-345? Moisture?0.2% Ash...
4-Aminobenzamide
Appearance:White crystalline Assay:?99.5% Melting point:183-186? PH value:?8 (Water solution) Moisture:?0.2% Ignition residue:?0.1% Packing :25kgs each/net carton drums with double...
4-Aminobenzoic acid
Appearance:White crystalline Assay:?99.8 % Melting point:186-189? Loss on drying:?0.2% Ignition residue:?0.1% Heavy metal:?20ppm Packing :25kgs each/net carton drums with double...
4-Aminobenzonitrile
Appearance:Off-white or slight yellow crystalline Assay:?99% Melting point:83-86? Moisture:?0.5% Ash content:?0.2% Packing :25kgs each/net carton drums with double...
3-(cyclohexylamino)-propane sulfonic acid
Assay (Titration):?98.0% Appearance:White crystalline powder Loss on drying: ?5.0% PH 0.5%:4.9-6.0 UV absorbance:280nm: ?0.02 260nm: ?0.04 Packing:25kgs paper bag/25kgs fibre...
1,3-bis(tris[hydroxymethyl]methylamino)propane
Assay (Titration):?99.0% Water content (By Karl fischer): ?1.0% PH 0.5%:10.4-11.0 UV absorbance:400nm: ?0.05 280nm: ?0.15 Packing:25kgs paper bag/25kgs fibre...
Bis(2-hydroxyethyl)imino-tris(hydroxymethyl)methane
Assay(Titration):?99.0% Water content (By Karl fischer): ?1.0% PH 1.0%:8.8-9.8 UV absorbance:340nm: ?0.02 280nm: ?0.04 Fe: ?3ppm Heavy metal:?3ppm Packing:25kgs paper bag/25kgs fibre...
3-(4-Moorpholino)propane sulfonic acid, sodium salt
Assay (Titration,0.1 N H2SO4):?98.0% Water content (By Karl fischer): ?1.0% PH 1.0%:9.5-9.9 UV absorbance:280nm: ?0.03 260nm: ?0.05 Packing:25kgs paper bag/25kgs fibre...
3-(4-Morpholino)propane sulfonic acid
Appearance:White crystalline powder Solubility (1.0M aqueous):Clear, colorless solution Melt point:279-281? Assay (0.1 N NaOH by titration):?99.5% Water Content (By Karl Fischer):?1.0% PH (1.0% aqueous ):3.6-4.4 Ultraviolet Absorbance A (260nm) (1.0M aqueous):?0.05 Abs unit Ultraviolet Absorbance A (280nm) (1.0M aqueous):?0.03 Abs...
Tris(hydroxymethyl)aminomethane hydrochloride
Appearance: White crystalline Assay:?99.5% Melting point:150-155? Loss on drying:?0.1% Heavy meta:?5ppm Fe+:?1ppm UV absorbance(280nm, 1M, 1cm, water): ?0.05 Clarity of solution (20% in H2O) :Clear Packing:25kgs paper bag/25kgs fibre drum ...
Tris(hydroxymethyl)aminomethane
Appearance: White crystalline. Assay: Not less than 99.9% Melting point: 168-172 Degree Centigrade Residues after ignition: Not more than 0.05% Loss on drying: Not more than 0.1% Heavy metal: Not more than 5ppm Sulfate: Not more than 5ppm Chloride: Not more than 2ppm Clarity of solution (40% in H2O):...
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