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Benzoic acid                       Benzaldehyde
Sodium benzoate               M-nitrobenzoic acid
1,3-dimethylurea                Dihydroxypropyltheophylline
Glutaric anhydride

Fax:0086-523-87676278   
E-mail:
jssfhg@126.com
Mobile:  0086-13814145959  0086-523-87671498(Wang Hubing)
0086-15961041431  0086-523-87671498(Chen Yuexue)

PRODUCTS

The company specializes in the production of benzoic acid, sodium benzoate, benzaldehyde, Nitrobenzoic Acid (sodium), 1,3-dimethylurea, dihydroxypropyltheophylline, aminophylline, glutaric anhydride and other products.

Product name

Dihydroxypropyltheophylline

Affiliate classification
没有此类产品
describe
Diprophyllin
CAS#:479-18-5 (Molecular Formula):C10H14N4O4  (Molecular Wt.):254.24 

Items

Standard

Characteristics

A white crystalline powder

Identification

Positive reaction

Melting range

160~164℃

Loss on drying

≤0.5%

PH

5.0~7.5

Limit of theophylline

≤0.5%

Heavy metals

≤20ppm

Residue on ignition

≤0.15%

Related compounds

≤1.0%

Sulfate

≤0.010%

Organic volatile impurities

Conform to the EP7.0、BP2010、USP34

Assay

98.5~101.0%(BP/EP)
98~102.0%(USP)

Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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