PRODUCT NAME: Benzidine GC Standard
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	GCS-890
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	92-87-5
Mol. Formula	C12H12N2
Molecular Wt	184.24 g/mol
IUPAC	4,4'-Diaminobiphenyl (or [1, 1'-Biphenyl]-4,4'-diamine)
Synonyms
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	Grayish-yellow, crystalline powder; white or sltlyreddish crystals, powder
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility	Sparingly soluble In Water
Purity	NLT 98%
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption