2-Methyl-5-nitroaniline | CAS No. 99-55-8

Q: What is 2-Methyl-5-nitroaniline (CAS: 99-55-8)?

2-Methyl-5-nitroaniline, with the CAS number 99-55-8, is an organic compound containing a benzene ring substituted with a methyl group and a nitro group at the 5-position, along with an amino group at the 2-position. It is a yellow solid with a melting point around 134-136°C and is known for its aromatic structure and functional groups. This compound is commonly used in chemical synthesis and research due to its reactivity and versatility.

Q: What are the main uses of 2-Methyl-5-nitroaniline (CAS: 99-55-8)?

2-Methyl-5-nitroaniline (CAS: 99-55-8) is primarily used in pharmaceutical research as a precursor for various drugs and chemical intermediates. It also finds applications in organic synthesis, dye production, and as a component in some industrial chemical processes. Its unique structure makes it valuable in the development of new compounds for scientific and commercial purposes.

Q: Is 2-Methyl-5-nitroaniline (CAS: 99-55-8) safe?

2-Methyl-5-nitroaniline (CAS: 99-55-8) is considered hazardous and must be handled with care. It is toxic if ingested or inhaled and can cause skin and eye irritation. Safety measures include using appropriate personal protective equipment (PPE) and following established safety protocols. It should be stored in a secure area away from children and not used without proper training and safety precautions.

Q: How should 2-Methyl-5-nitroaniline (CAS: 99-55-8) be stored?

2-Methyl-5-nitroaniline (CAS: 99-55-8) should be stored in a cool, dry, and well-ventilated place, away from light. It is best kept in a sealed container to prevent moisture absorption and degradation. Storage at temperatures below 25°C is recommended to maintain stability and ensure safety during handling and transportation.

2-Methyl-5-nitroaniline

Basic Information

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CAS Number

99-55-8

Molecular Formula

C7H8N2O2

Molecular Weight

152.15 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

103-106 °C

Boiling Point

294.61°C (rough estimate)

Density

1.2333 (estimate)

Water Solubility

<0.1 g/100 mL at 19 ºC

Flash Point

153 °C

Refractive Index

1.6276 (estimate)

SMILES

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Cc1ccc(cc1N)[N+](=O)[O-]

InChI

InChI=1S/C7H8N2O2/c1-5-2-3-6(9(10)11)4-7(5)8/h2-4H,8H2,1H3

InChIKey

DSBIJCMXAIKKKI-UHFFFAOYSA-N

LogP

2.58980

Complexity

155

Safety Information

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GHS Hazard Pictograms

H301

H311

H331

H351

H412

Hazard Statement

H301 Toxic if swallowed
Acute toxicity, oral

H311 Toxic in contact with skin
Acute toxicity, dermal

H331 Toxic if inhaled
Acute toxicity, inhalation

H351 Suspected of causing cancer
Carcinogenicity

H412 Harmful to aquatic life with long lasting effects
Hazardous to the aquatic environment, long-term hazard

Hazard Class

Class 6.1 Class 6.1

Stability

Stable. Incompatible with strong oxidizing agents, acid chlorides, acid anhydrides, acids, chloroformates.

Sensitiveness

对湿度敏感

Synonyms & References

English

2-Methyl-5-nitroaniline
2-Amino-4-nitrotoluene~5-Nitro-o-toluidine
5-Nitro-o-toluidine
C.I. 37105
Fast Scarlet G Base
2-Amino-4-nitrotoluene
1-amino-2-methyl-5-nitrobenzene
fast scarlet g
fast scarlet gc base
fast scarlet j salt
fast scarlet mN4t base
fast scarlet t base
hiltonil fast scarlet g salt
hiltonil fast scarlet g base
hiltonil fast scarlet gc base
kayaku scarlet g base
lake scarlet g base
lithosol orange r base
mitsui scarlet g base
naphthanil scarlet g base
naphtoelan fast scarlet g salt
naphtoelan fast scarlet g base
PNOT
scarlet base ciba ii
scarlet base irga ii
scarlet base nsp
scarlet g base
sugai fast scarlet g base
symulon scarlet g base
2-methyl-5-nitrobenzenamine
4-nitro-2-aminotoluene

MDL Number

MFCD00007741

Customs Code

2921430090

FAQ

What is 2-Methyl-5-nitroaniline (CAS: 99-55-8)?

2-Methyl-5-nitroaniline, with the CAS number 99-55-8, is an organic compound containing a benzene ring substituted with a methyl group and a nitro group at the 5-position, along with an amino group at the 2-position. It is a yellow solid with a melting point around 134-136°C and is known for its aromatic structure and functional groups. This compound is commonly used in chemical synthesis and research due to its reactivity and versatility.

What are the main uses of 2-Methyl-5-nitroaniline (CAS: 99-55-8)?

2-Methyl-5-nitroaniline (CAS: 99-55-8) is primarily used in pharmaceutical research as a precursor for various drugs and chemical intermediates. It also finds applications in organic synthesis, dye production, and as a component in some industrial chemical processes. Its unique structure makes it valuable in the development of new compounds for scientific and commercial purposes.

Is 2-Methyl-5-nitroaniline (CAS: 99-55-8) safe?

2-Methyl-5-nitroaniline (CAS: 99-55-8) is considered hazardous and must be handled with care. It is toxic if ingested or inhaled and can cause skin and eye irritation. Safety measures include using appropriate personal protective equipment (PPE) and following established safety protocols. It should be stored in a secure area away from children and not used without proper training and safety precautions.

How should 2-Methyl-5-nitroaniline (CAS: 99-55-8) be stored?

2-Methyl-5-nitroaniline (CAS: 99-55-8) should be stored in a cool, dry, and well-ventilated place, away from light. It is best kept in a sealed container to prevent moisture absorption and degradation. Storage at temperatures below 25°C is recommended to maintain stability and ensure safety during handling and transportation.