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℃ |
| CAS DataBase Reference | 88-75-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Phenol, 2-nitro-(88-75-5) |
| EPA Substance Registry System | o-Nitrophenol (88-75-5) |
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 |
| Hazardous Substances Data | 88-75-5(Hazardous Substances Data) |
| 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) |
