4-Nitro-o-xylene Chemical Properties

Melting point:

29 °C

Boiling point:

255 °C

Density 

1.139 g/mL at 25 °C(lit.)

vapor pressure 

21.73Pa at 25℃

refractive index 

1.555-1.557

Flash point:

>230 °F

storage temp. 

Store below +30°C.

solubility 

0.1g/l

form 

Liquid

color 

White or Colorless to Yellow

Water Solubility 

100 mg/L (25 ºC)

BRN 

2043245

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents.

InChIKey

HFZKOYWDLDYELC-UHFFFAOYSA-N

LogP

-0.154 at 32℃ and pH6.13

Dissociation constant

0 at 28℃

CAS DataBase Reference

99-51-4(CAS DataBase Reference)

NIST Chemistry Reference

Benzene, 1,2-dimethyl-4-nitro-(99-51-4)

EPA Substance Registry System

4-Nitro-o-xylene (99-51-4)

Safety Information

Hazard Codes 

Xn,T

Risk Statements 

20/21/22-36/37/38-23/24/25

Safety Statements 

22-36/37-45-36/37/39-26-13

RIDADR 

UN 3447 6.1/PG 2

WGK Germany 

2

TSCA 

Yes

HazardClass 

6.1

PackingGroup 

II

HS Code 

29042000

Hazardous Substances Data

99-51-4(Hazardous Substances Data)

MSDS

• Language:English Provider:4-Nitro-1,2-dimethylbenzene
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

4-Nitro-o-xylene Usage And Synthesis

Chemical Properties

yellow crystalline solid

Uses

1,2-Dimethyl-4-nitrobenzene is used to classify environmental pollutants.

General Description

Yellow prisms or yellow crystalline solid.

Air & Water Reactions

Slightly soluble in water.

Reactivity Profile

4-Nitro-o-xylene is incompatible with strong oxidizers and strong bases.

Fire Hazard

4-Nitro-o-xylene is combustible.

4-Nitro-o-xylene(99-51-4)Related Product Information

• o-Xylene
• Musk xylene
• 1-Phenyl-2-nitropropene
• Dimethyl ether
• 4-Nitrobenzoic acid
• 4-Nitrotoluene
• 3,4-Difluoronitrobenzene
• N,N-Dimethylformamide
• Xylene
• Dimethyl sulfoxide
• Sodium 3-nitrobenzenesulphonate
• Dimethyl sulfide
• 3-Nitrobenzaldehyde
• 3,4-Dimethylphenol
• ETHANE
• Dimethyl phthalate
• XYLENE CYANOL FF
• Dimethyl fumarate