4-Nitro-o-xylene

Product Name: 4-Nitro-o-xylene
CAS No.: 99-51-4
Chemical Name: 4-Nitro-o-xylene
Synonyms: 4-Nitroxylene;4-nitro-o-xylen;4-Nitro-o-xylol;4-NITRO-O-XYLENE;p-Nitro-o-xylene;4-Nitro-2-xylene;4-Nitro-0-Xylene;4-Nitroxylene,99%;o-Xylene, 4-nitro-;4-Nitro-o-xylene,99%
CBNumber: CB8251273
Molecular Formula: C8H9NO2
Formula Weight: 151.16
MOL File: 99-51-4.mol

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4-Nitro-o-xylene Property

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)

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Safety

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)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: N28604
Product name: 1,2-Dimethyl-4-nitrobenzene
Purity: 99%
Packaging: 100g
Price: $128
Updated: 2025/07/31

TCI Chemical

Product number: D1085
Product name: 3,4-Dimethylnitrobenzene
Purity: >98.0%(GC)
Packaging: 25g
Price: $20
Updated: 2025/07/31

TCI Chemical

Product number: D1085
Product name: 3,4-Dimethylnitrobenzene
Purity: >98.0%(GC)
Packaging: 500g
Price: $76
Updated: 2025/07/31

TRC

Product number: D480688
Product name: 1,2-Dimethyl-4-nitrobenzene
Packaging: 100g
Price: $75
Updated: 2021/12/16

Frontier Specialty Chemicals

Product number: JK153062
Product name: 1,2-Dimethyl-4-nitrobenzene
Purity: 99%
Packaging: 25g
Price: $13
Updated: 2021/12/16

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4-Nitro-o-xylene Chemical Properties,Usage,Production

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 Preparation Products And Raw materials

Raw materials

Preparation Products

Acid Blue 277

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Glycerol Impurity 53

99-51-4

9-51-4

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Nitrogen Compounds

Organic Building Blocks

Building Blocks

Aromatic Hydrocarbons (substituted) & Derivatives