Shijiazhuang Dingmin pharmaceutical Sciences Co.,Ltd
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Modèle: CAS:56-94-0
marque: DM
State: Solid
Grade Standard: Medicine Grade
Volatile: Not Volatile
Certification: FDA
Détails d'emballage: Double PE avec sac en aluminium
productivité: 500kg/month
transport: Ocean,Air
Lieu d'origine: Hebei, Chine
Soutenir: 100kg/month
Certificats : ISO9001
Hafen: Shanghai,Shenzhen,Beijing
Type de paiement: L/C,T/T,Paypal
Incoterm: FOB,CIF
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Appearance |
White solid powder, |
white powder |
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Identification |
A: Infrared Absorption |
Conform |
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B: Dissolve about 100 mg in 50 mL of 1 N sodium hydroxide, and reflux for 15 minutes. Cool, and add 3 mL of the refluxed solution to 25 mL of saturated sodium bicarbonate solution. Add, with mixing, 4 mL of N,N-dimethyl-pphenylenediamine dihydrochloride solution (1.5 in 10,000) and 2 mL of sodium hypochlorite solution (1.5 in 20,000): a violet-blue color is produced. |
Conform |
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C: Dissolve about 50mg in 20ml of water, add 10mL of a 1 in 50 solution o ammonium reineckate in methanol, add allow to stand for 30 minutes with occasional swirling: a pink Reineckate of demecarium forms, and it melts between 131° and 136°, with decomposition.
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Conform |
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D: A solution of it responds to the tests for Bromide |
Conform |
|
PH |
Between 5.0~7.0 [1 in 100] |
5.8 |
|
Water |
Not more than 2.0% |
0.4% |
|
Residue on ignition |
No more than 0.1% |
0.06% |
|
Assay: |
95.0-100.5% (calculated on the anhydrous). |
100.1% |
|
Related Substance(Limit of m-trimethylammoniophenol bromide)
|
No more intense than control preparation |
Conform |
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conclusion |
It conforms to USP40 standard |
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Forfait et expédition:
Emballage: sac à double PE avec sac en papier d'aluminium ou tel que nécessaire
de livraison: Stock Disponible
Port: Tout port en Chine
Groupes de Produits : API et intermédiaires > Poudre API
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