o-Nitrophenol , 99% , 88-75-5

Synonym(s):
2-Nitrophenol;o-Nitrophenol

CAS NO.：88-75-5

Empirical Formula: C6H5NO3

Molecular Weight: 139.11

MDL number: MFCD00011688

EINECS: 201-857-5

PRODUCT Properties

• Melting point: 43-45 °C
• Boiling point: 214-216 °C
• Density: 1.495
• vapor pressure: 1 mm Hg ( 49.3 °C)
• refractive index: 1.5723
• Flash point: 108 °C
• storage temp.: Store in dark!
• solubility: 2 g/L (25°C)
• pka: 7.17(at 25℃)
• form: Liquid
• color: Clear pale yellow
• PH Range: Colorless (5.0) to yellow (7.0)
• PH: 5.0～7.0
• Odor: Aromatic odor
• Water Solubility: 2 g/L (25 ºC)
• Sensitive: Light Sensitive
• Merck: 14,6619
• BRN: 775403
• Henry's Law Constant: At 20 °C: 11.1 at pH 8.1, 11.0 at pH 10.2, 8.9 at pH 11.9, 6.7 at pH 13.7 (wetted-wall column-UV, Zhang et al., 2003)
• Stability: Stable. Incompatible with strong bases, strong oxidizing agents.
• Major Application: High voltage capacitors, inks, energetic materials, corrosion inhibitors, fertilizer, food storage, enzyme assays, detecting microorganisms, immunotherapy, drugs
• LogP: 1.77
• Dissociation constant: 7.23 at 25℃

Description and Uses

manufacture of dyes, paint colorings, rubber chemicals, and fungicides. Indicator in 2% alcohol solution. pH: 5.0 colorless, 7.0 yellow, but the color change is not sharp and cannot be used where CO2 is present; as reagent for glucose.

Safety

• Symbol(GHS): GHS07,GHS09
• Signal word: Warning
• Hazard statements: H302+H312+H332-H410
• Precautionary statements: P261-P273-P280-P301+P312-P302+P352+P312-P304+P340+P312
• Hazard Codes: Xn,T,F
• Risk Statements: 22-36/37/38-52/53-33-20/21/22-39/23/24/25-23/24/25-11
• Safety Statements: 26-61-45-36/37-16-7-36-28
• RIDADR: UN 1663 6.1/PG 3
• WGK Germany: 2
• RTECS: SM2100000
• Autoignition Temperature: 550 °C
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: III
• HS Code: 29089000
• Toxicity: LD50 orally in mice, rats: 1.297, 2.828 g/kg, K. C. Back et al., Reclassification of Materials Listed as Transportation Health Hazards (TSA-20-72-3; PB214-270, 1972)