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Carbohydrazide

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  Post Date: Apr 27,2016
  Expiry Date: Oct 24,2016
  Detailed Description: Cas No. :497-18-7

CAS No.: 497-18-7

EINECS: 207-837-2
HS code: 2928000090
Molecular Formula:CH6N4O
Molecular weight: 90.08
Density: 1.02

Synonyms: 1, 3-Diaminourea; Carbonic dihydrazide; CHZ Oxygen Scavenger

Melting point: 150~158centigrade deree.
Character:

    White crystalline powder; Extremely soluble in water, insoluble in alcohol, ether, chloroform, benzene; Nonhygroscopic with strong reductibility.

Application:
    It can be used as an oxygen scavenger to prevent corrosion especially in boiler feed system, a rocket propellant components, color images and the quality of soap stabilizers, antioxidants rubber, boiler water deoxidants and metal passivation agents, it also used as an intermediate for orgnic synthesis.
Packing: 25kg in woven bag or in fibre drum.

 

Quality index                      Standard                       Result

 Assay(GC) %                         100±2                           98.60

Moisture %                              0.2  max                        0.12

Color, APHA(in melted)          20max                           10

PH(12% aqueous)                  7.2-9.7                            8

Melting point                         154℃min                       158.6

Turbidity                             10NTU max                          6

Free hydrazine                250ppm max                       170

Chloride                             10ppm max                        10<

Silica                                  10ppm max                        10<
Copper                                 1ppm max                          1<

Sulphate                             20ppm max                        20<

Sodium                                 3ppm max                          3<
Appearance           White crystalline powder   White crystalline powder

      

 

                                              

  CAS Registry Number:

497-18-7
  Synonyms: ;1,3-diaminourea;Carbonic dihydrazide;Carbazide;cardonic dihydrazide;4-aminosemicarbazide;carbonohydrazide;Carbohydrozide;CBH;1,3-diamino-ure;
  Molecular Formula: CH6N4O
  Molecular Weight: 90.0845
  Molecular Structure: 497-18-7 Carbohydrazide
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R20/21/22:;
R36/37/38:;
R5:;
  Safety Description: S36/37/39:;

  Company: Shida Chemical Co., Ltd.     [ China ]        
  Contact: Pan
  Tel: 0532-68972206
  Fax: 0532-68972208
  Email: henry.pan@shidachemical.com
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