Name | 2,4-Dinitrophenol |
Synonyms | DNP 2,4-Dinitrophenol alpha-dinitro-pheno camellomosquitocoils 2,4-dinitrophenolate cobrasalts(impregnasalts) 2,4-dinitrophenol, reagent grade 2,4-dinitrophenol, industry grade 2,4-DINITROPHENOL PESTANAL, WITH APPROX. |
CAS | 51-28-5 |
EINECS | 200-087-7 |
InChI | InChI=1/C6H4N2O5/c9-6-2-1-4(7(10)11)3-5(6)8(12)13/h1-3,9H/p-1 |
Molecular Formula | C6H4N2O5 |
Molar Mass | 184.11 |
Density | 1,683 g/cm3 |
Melting Point | 108-112 °C (lit.) |
Boling Point | 318.03°C (rough estimate) |
Flash Point | 11°C |
Water Solubility | 0.6 g/100 mL (18 ºC) |
Solubility | Solubility Sparingly soluble in water; soluble in ethanol, benzene |
Vapor Presure | 39(x 10-5 mmHg) at 20 °C (Schwarzenbach et al., 1988) |
Vapor Density | 6.35 (vs air) |
Appearance | crystals |
Color | Light yellow |
Odor | Sweet, musty |
Merck | 14,3280 |
BRN | 1246142 |
pKa | 3.96(at 15℃) |
Storage Condition | 2-8°C |
Stability | Stable. Combustible. |
Sensitive | Light Sensitive |
Refractive Index | 1.4738 (estimate) |
Physical and Chemical Properties | Melting point 106-112°C water-soluble 0.6g/100 mL (18°C) |
Use | For the manufacture of dyes, picric acid and imaging agents |
Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R33 - Danger of cumulative effects R50 - Very Toxic to aquatic organisms R39/23/24/25 - R11 - Highly Flammable R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R1 - Explosive when dry |
Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S37 - Wear suitable gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S28A - S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. S35 - This material and its container must be disposed of in a safe way. |
UN IDs | UN 1320 4.1/PG 1 |
WGK Germany | 3 |
RTECS | SL2800000 |
TSCA | Yes |
HS Code | 29089990 |
Hazard Class | 4.1 |
Packing Group | I |
Toxicity | LD50 (subcutaneous) for rats 25 mg/kg (quoted, RTECS, 1985). |