Product Description of Methanol CAS#67-56-1
Methanol is a basic saturated monohydric alcohol organic solvent. It is a colorless, transparent and free-flowing liquid with slight characteristic odor at room temperature. It features strong volatility and is miscible with water, ethanol, acetone and most organic solvents in any proportion. With stable physicochemical properties, strong solubility and good reactivity, it is a widely used bulk basic raw material and solvent in the chemical industry.
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Chemical Properties of Methanol CAS#67-56-1
| Melting point | -98 °C(lit.) |
| Melting point | -97,8°C |
| Boiling point | 64,7°C |
| Boiling point | 65.4 °C(lit.) |
| density | 0.791 g/mL at 25 °C |
| density | d = 0,89 |
| vapor density | 1.11 (vs air) |
| vapor pressure | 410 mm Hg ( 50 °C) |
| refractive index | n20/D 1.329(lit.) |
| Fp | 52 °F |
| storage temp. | 2-8°C |
| solubility | benzene: miscible(lit.) |
| pka | 15.2(at 25℃) |
| form | Liquid Free From Particulates |
| color | <10(APHA) |
| Specific Gravity | 0.793 (20/20℃) |
| Relative polarity | 0.762 |
| Odor | Faint alcohol odor detectable at 4 to 6000 ppm (mean = 160 ppm) |
| PH | 6.8 (20°C in H2O) |
| Flame Color | Pale blue |
| explosive limit | 5.5-44%(V) |
| Odor Threshold | 33ppm |
| Water Solubility | miscible |
| Thermal Conductivity | 0.2002 W/(m·K) at 25 ℃ |
| Specific Heat Capacity | Cp(liquid): 2.53 J/(g·K); Cp(gas): 1.38 J/(g·K), at 25℃ |
λmax | λ: 210 nm Amax: 0.50 |
| λ: 220 nm Amax: 0.30 | |
| λ: 230 nm Amax: 0.15 | |
| λ: 235 nm Amax: 0.10 | |
| λ: 240 nm Amax: 0.05 | |
| λ: 260 nm Amax: 0.01 | |
| λ: 400 nm Amax: 0.01 | |
| Merck | 145,957 |
| BRN | 1098229 |
| Henry's Law Constant | 4.99 at 25 °C (headspace-GC, Gupta et al., 2000) |
| Dielectric constant | 33.6（20℃） |
| Exposure limits | ACGIH TLV-TWA:(200 ppm) |
| OSHA PEL-TWA:200 ppm (260 mg/m³) | |
| NIOSH REL-TWA:200 ppm;REL-STEL:250 ppm;REL-IDLH:25,000 ppm | |
| Cosmetics Ingredients Functions | SOLVENT |
| FRAGRANCE | |
| DENATURANT | |
| Cosmetic Ingredient Review (CIR) | Methanol (67-56-1) |
| InChI | 1S/CH4O/c1-2/h2H,1H3 |
| InChIKey | OKKJLVBELUTLKV-UHFFFAOYSA-N |
| SMILES | CO |
| LogP | -0.77 |
| Surface tension | 22.22mN/m at 298.15K |
| Surface tension | 22.7mN/m at 20°C |
| CAS DataBase Reference | 67-56-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Methyl alcohol(67-56-1) |
| EPA Substance Registry System | Methanol (67-56-1) |
| Absorption | in accordance |
Safety Information
| Hazard Codes | Xn,T,F |
| Risk Statements | 10-20/21/22-68/20/21/22-39/23/24/25-23/24/25-11-40-36-36/38-23/25 |
| Safety Statements | 36/37-7-45-16-24/25-23-24-26 |
| OEB | A |
| OEL | TWA: 200 ppm (260 mg/m3), STEL: 250 ppm (325 mg/m3) [skin] |
| RIDADR | UN 1230 |
| WGK Germany | 1 |
| RTECS | PC1400000 |
| F | 3月10日 |
| Autoignition Temperature | 385 °C |
| TSCA | TSCA listed |
| HS Code | 2905 11 00 |
| HazardClass | 3 |
| PackingGroup | II |
| Storage Class | 3 - Flammable liquids |
Hazard Classifications | Acute Tox. 3 Dermal |
| Acute Tox. 3 Inhalation | |
| Acute Tox. 3 Oral | |
| Flam. Liq. 2 | |
| STOT SE 1 | |
| Hazardous Substances Data | 67-56-1(Hazardous Substances Data) |
Toxicity | LD50 oral (rat) |
| 5628 mg/kg | |
| LD50 skin (rabbit) | |
| 15,840 mg/kg | |
| LC50 inhal (rat) | |
| >145,000 ppm (1 h) | |
| PEL (OSHA) | |
| 200 ppm (260 mg/m3) | |
| TLV-TWA (ACGIH) | |
| 200 ppm (260 mg/m3)—skin | |
| STEL (ACGIH) | |
| 250 ppm (328 mg/m3) | |
| IDLH | 6,000 ppm |
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Product Application of Methanol CAS#67-56-1
It is mainly used as general industrial solvent, fine chemical synthetic intermediate, fuel and cleaning agent. It is widely applied in coatings and inks, pesticides and pharmaceuticals, fragrance synthesis and resin processing, and massively used in vehicle fuel blending, industrial degreasing cleaning, formaldehyde production and preparation of various fine chemicals.
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