99-51-4

Basic information

• Product Name: 4-Nitro-o-xylene
• Synonyms: 1,2-dimethyl-4-nitro-benzen;3,4-Dimethyl-1-nitrobenzene;4-nitro-o-xylen;o-Xylene, 4-nitro-;para-Nitro-ortho-xylene;p-Nitro-o-xylene;1,2-DIMETHYL-4-NITROBENZENE;4-NITRO-1,2-DIMETHYLBENZENE
• CAS NO: 99-51-4
• Molecular Formula: C₈H₉NO₂
• Molecular Weight: 151.16
• EINECS: 202-761-6
• Product Categories: Aromatic Hydrocarbons (substituted) & Derivatives
• Mol File: 99-51-4.mol
• Article Data: 67

Chemical Properties

• Melting Point: 29 °C
• Boiling Point: 255 °C
• Flash Point: >230 °F
• Appearance: yellow crystalline solid
• Density: 1.139 g/mL at 25 °C(lit.)
• Vapor Pressure: 0.0163mmHg at 25°C
• Refractive Index: 1.555-1.557
• Storage Temp.: Store below +30°C.
• Solubility: 0.1g/l
• Water Solubility: 100 mg/L (25 ºC)
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
• BRN: 2043245
• CAS DataBase Reference: 4-Nitro-o-xylene(CAS DataBase Reference)
• NIST Chemistry Reference: 4-Nitro-o-xylene(99-51-4)
• EPA Substance Registry System: 4-Nitro-o-xylene(99-51-4)

Safety Data

• Hazard Codes: Xn,T
• 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
• Hazardous Substances Data: 99-51-4(Hazardous Substances Data)

Usage

Chemical Properties

yellow crystalline solid

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.

InChI:InChI=1/C8H9NO2/c1-6-3-4-8(9(10)11)5-7(6)2/h3-5H,1-2H3

Upstream product

• 99513-52-7 Acetic acid, (2-benzothiazolylmethoxy)- (6CI) 
• 99513-36-7 2-{[2-(4-chlorophenoxy)ethyl]amino}ethanol 
• 99513-22-1 6-aminoquinolin-3-ol 
• 99513-21-0 2-Methyl-1,5-naphthyridin-4-ol 
• 99513-17-4 5-broMo-1,2-diMethyl-1H-benzo[d]iMidazole 
• 99513-01-6 2-(3-aMinopropoxy)-ethanol95% 
• 99512-75-1 Benzothiazole, 7-acetamido- (6CI) 
• 99512-74-0 Benzothiazole, 4-acetamido- (6CI) 
• 99512-73-9 5-aminoquinolin-6-ol 
• 99512-72-8 4-Quinolinol,3-amino-(6CI,9CI) 
• 99512-69-3 p-Phenylenediamine, N,2,5-trimethyl- (6CI) 
• 99512-64-8 6-broMo-1,2-diMethyl-1H-1,3-benzodiazole 
• 99512-10-4 Benzonitrile, 3-amino-4-nitro- 
• 99512-09-1 Benzoic acid, 3-amino-4-nitro-, methyl ester (9CI) 

Downstream Products

• 25797-81-3 Acid Blue 277 

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