Isopropyl alcohol
CAS Number: 67-63-0
Chemical Formula: C3H8O
Synonyms: Isopropanol pure 99.5+% Isopropanol residue free for electronic use 99.8% Isopropanol water <50 ppm extra dry over mol. sieve 99.5%
Appearance: Colorless Solid
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Isopropanol, commonly referred to as isopropyl alcohol, is the simplest secondary alcohol and a structural isomer of n-propanol. It is a colorless, flammable liquid with a strong odor resembling a mixture of ethanol and acetone. It dissolves readily in water, ethanol, ether, benzene, chloroform, and most organic solvents, and is fully miscible with water, ethanol, and ether while forming an azeotropic mixture with water.
Chemical Properties
| Item | Specification |
| Melting point | -89.5 °C |
| Boiling point | 82 °C(lit.) |
| density | 0.785 g/mL at 25 °C(lit.) |
| vapor density | 2.1 (vs air) |
| vapor pressure | 33 mm Hg (20 °C) |
| refractive index | n20/D 1.377(lit.) |
| FEMA | 2929 ISOPROPYL ALCOHOL |
| Fp | 53 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | water soluble completely |
| pka | 17.1(at 25℃) |
| form | Low Melting Solid |
| color | colorless |
| Specific Gravity | approximate 0.785(20/20℃)(Ph.Eur.) |
| PH | 7.0 (20°C) |
| Relative polarity | 0.546 |
| Odor | Like ethyl alcohol; sharp, somewhat unpleasant; characteristic mild alcoholic; nonresidual. |
| Odor Threshold | 26ppm |
| Odor Type | alcoholic |
| biological source | synthetic |
| explosive limit | 2-13.4%(V) |
| Water Solubility | miscible |
| FreezingPoint | -89.5℃ |
| λmax | λ: 260 nm Amax: 0.02 λ: 280 nm Amax: 0.01 |
| Merck | 14,5208 |
| JECFA Number | 277 |
| BRN | 635639 |
| Dielectric constant | 18.0 Ambient |
| Exposure limits | TLV-TWA 980 mg/m3 (400 ppm); STEL 1225 mg/m3 (500 ppm) (ACGIH); IDLH 12,000 ppm (NIOSH). |
| Stability | Volatile |
| Cosmetics Ingredients Functions | SOLVENT VISCOSITY CONTROLLING ANTIFOAMING PERFUMING |
| LogP | 0.050 |
| Surface tension | 21.3mN/m at 293.15K |
| CAS DataBase Reference | 67-63-0(CAS DataBase Reference) |
| IARC | 3 (Vol. 15, Sup 7, 71) 1999 |
| NIST Chemistry Reference | Isopropyl alcohol(67-63-0) |
| EPA Substance Registry System | Isopropanol (67-63-0) |
| Absorption | in accordance |
Safety Information
| Item | Specification |
| Hazard Codes | Xi,F,Xn |
| Risk Statements | 11-36-67-40-10-36/38 |
| Safety Statements | 7-16-24/25-26-36/37 |
| RIDADR | UN 1219 3/PG 2 |
| OEB | A |
| OEL | TWA: 400 ppm (980 mg/m3), STEL: 500 ppm (1225 mg/m3) |
| WGK Germany | 1 |
| RTECS | NT8050000 |
| F | 3-10 |
| Autoignition Temperature | 750 °F |
| TSCA | Yes |
| HS Code | 2905 12 00 |
| HazardClass | 3 |
| PackingGroup | II |
| Hazardous Substances Data | 67-63-0(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 5.8 g/kg (Smyth, Carpenter) |
| IDLA | 2,000 ppm [10% LEL] |
Product Application
Isopropyl alcohol is a major chemical product and industrial raw material. It is widely used in pharmaceuticals, cosmetics, plastics, fragrances, coatings, and as a dehydrant and cleaner in the electronics sector. It can be used as an analytical reagent for detecting barium, calcium, magnesium, nickel, potassium, sodium, and strontium, as well as a reference standard for chromatographic analysis.
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