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CAS 1 record

CAS 99-55-8

CAS 99-55-8 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 99-55-8
CAS 99-55-8PubChem CID 7444

2-Methyl-5-Nitroaniline

IUPAC name
2-methyl-5-nitroaniline
Molecular formula
C7H8N2O2
Molecular weight
152.15 g/mol
Exact mass
152.058577502 Da
XLogP3
1.9
Topological polar surface area
71.8 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

5-NITRO-O-TOLUIDINEScarlet G Base2-Methyl-5-nitrobenzenamine4-Nitro-2-aminotolueneFast Scarlet GPNOTFast Scarlet G Base3-Nitro-6-methylaniline
16 more reported names
Devol Scarlet BFast scarlet base G6-Methyl-3-nitroanilineDaito Scarlet Base GDiabase Scarlet G5-Nitro-2-toluidineScarlet Base NSPBenzenamine, 2-methyl-5-nitro-1-Amino-2-methyl-5-nitrobenzeneFast Red SG Baseo-Toluidine, 5-nitro-Fast Scarlet Base JFast Scarlet J SaltFast Scarlet T BaseLake Scarlet G BaseAmarthol Fast Scarlet G Base
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 99-55-8

1 total
No records found for this CAS number.

How CAS 99-55-8 is used on this site

CAS 99-55-8 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 99-55-8 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.