The Fast Garnet GBC sulfate salt, with the CAS registry number 101-89-3, is also known as Benzenediazonium, 2-methyl-4-((2-methylphenyl)azo)-. It belongs to the product category of Dyes and Pigments, sulfate (1:1). Its EINECS number is 202-985-4. This chemical's molecular formula is C₁₄H₁₄N₄O₄S and formula weight is 334.35. What's more, its IUPAC name is called hydrogen sulfate; 2-methyl-4-[(2-methylphenyl)diazenyl]benzenediazonium. This chemical is rust-brown to brown powder.

Physical properties of Fast Garnet GBC sulfate salt: (1)#H bond acceptors: 4; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 3; (4)Polar Surface Area: 52.87 Å²; (5)Storage Temp.: -20°C.

Preparation: This reaction will use o-toluidine as the raw material which first reaction with hydrochloric acid salt, and then with sodium nitrite condacuting the diazotization, and then coupling with o-toluidine, then it will obtaine CI 37210.

When you are using this chemical, please be cautious about it as the following:
This chemical that at low levels may cause damage to health. It is harmful by inhalation, in contact with skin and if swallowed. In addition, it also may cause cancer and may cause harm to the unborn child. Whenever you will contact it, please wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC1=CC=CC=C1N=NC2=CC(=C(C=C2)[N+]#N)C.OS(=O)(=O)[O-]
(2)InChI: InChI=1S/C14H13N4.H2O4S/c1-10-5-3-4-6-14(10)18-17-12-7-8-13(16-15)11(2)9-12;1-5(2,3)4/h3-9H,1-2H3;(H2,1,2,3,4)/q+1;/p-1
(3)InChIKey: PPTXFSQSISUDAU-UHFFFAOYSA-M