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4-Aminobenzoic acid

4-Aminobenzoic acid

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Product Description

LC344 4-Aminobenzoic acid
suitable for use as excipient exp USP

 

Order number Packaging Quantity Price 
AC27344 Plastic bottle 1 kg Inquire
AC27344 Double PE Sack 20 kg Inquire

 

Product information
Grade USP
Synonyms PABA
Hill Formula C7H7NO2
Chemical formula NH2C6H4COOH
HS Code 2922 49 85
EC number 205-753-0
Molar mass 137.13 g/mol
CAS number 150-13-0

 

Chemical and physical data
Solubility 4.7 g/l (20 C)
Melting point 186 - 189 C
Molar mass 137.13 g/mol
Density 1.38 g/cm3
Bulk density 200 kg/m3
pH value 3.5 (5 g/l, H2O, 20 C)

 

Safety information according to GHS
Precautionary Statement(s) P260: Do not breathe dust.
Storage class 10 - 13 Other liquids and solids
WGK

WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Safety information
S Phrase S 22
Do not breathe dust.

 

Toxicological data
LD 50 oral LD50 rat 6000 mg/kg

 

Specifications
Assay (acidimetric; calculated on dried substance) 98.5 - 101.5 %
Melting range
- lower value


 186 C
- upper value  189 C
Heavy metals (as Pb)  0.002 %
Volatile diazotizable substances (as p-toluidine)  0.002 %
Ordinary impurities (TLC) passes test
Sulfated ash  0.1 %
Loss on drying (105 C)  0.2 %
Conforms USP
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