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A6151112

o-Nitrophenol , AR,98% , 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

Update time: 2022-07-08

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)

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