4-甲基-2-戊醇
4-Methyl-2-pentanol
CAS: 108-11-2
Molecular Formula: C6H14O
4-甲基-2-戊醇 - Names and Identifiers
| Name | 4-Methyl-2-pentanol |
| Synonyms | MIBC 3-MIC methylamyl alcohol 2-methyl-4-pentano 4-methyl-2-pentano 4-methylpentan-2-ol Methyl amyl alcohol 4-Methyl-2-pentanol 2-Pentanol,4-methyl- 2-Methanol-4-pentanol 1,3-Dimethyl-1-butanol Isobutyl methyl carbinol Methyl isobutyl carbinol (2S)-4-methylpentan-2-ol (2R)-4-methylpentan-2-ol 4-Methyl-2-pentyl alcohol 1-Methyl-indozole-3-carboxylicacid |
| CAS | 108-11-2 |
| EINECS | 203-551-7 |
| InChI | InChI=1/C6H14O/c1-5(2)4-6(3)7/h5-7H,4H2,1-3H3/t6-/m1/s1 |
4-甲基-2-戊醇 - Physico-chemical Properties
| Molecular Formula | C6H14O |
| Molar Mass | 102.17 |
| Density | 0.802 g/mL at 25 °C(lit.) |
| Melting Point | -90 °C |
| Boling Point | 134-135°C(lit.) |
| Flash Point | 107°F |
| Water Solubility | 2 g/100 mL |
| Solubility | 16.4g/l |
| Vapor Presure | 3.7 mm Hg ( 20 °C) |
| Vapor Density | 3.5 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless |
| Odor | Sharp; mild and nonresidual. |
| Exposure Limit | ACGIH: TWA 25 ppm; STEL 40 ppm (Skin)OSHA: TWA 25 ppm(100 mg/m3)NIOSH: IDLH 400 ppm; TWA 25 ppm(100 mg/m3); STEL 40 ppm(165 mg/m3) |
| BRN | 1098268 |
| pKa | 15.31±0.20(Predicted) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Flammable. Incompatible with oxidizing agents, acids, acid chlorides. |
| Explosive Limit | 1-5.5%(V) |
| Refractive Index | n20/D 1.415(lit.) |
| Physical and Chemical Properties | Colorless stable liquid. Melting point -90 ℃, freezing point -90 ℃, boiling point 132 ℃, relative density 0.8083(20/20 ℃), refractive index 1.4112, flash point 40.6 ℃, vapor pressure (20 ℃)0.373kPa, viscosity 5.2mPa · s. Cured as a vitreous body below -90°C. Vapor forms an explosive mixture with air, with an explosion limit of 1%-5.5%. It can be miscible with a variety of organic solvents and slightly soluble in water. The dissolution in water at 20 ℃ is 1.9%. |
4-甲基-2-戊醇 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R10 - Flammable R37 - Irritating to the respiratory system R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 2282 3/PG 3 |
| WGK Germany | 1 |
| RTECS | SA7350000 |
| TSCA | Yes |
| HS Code | 29051900 |
| Hazard Class | 3 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 2590 mg/kg LD50 dermal Rabbit 2884 mg/kg |
4-甲基-2-戊醇 - Nature
Open Data Verified Data
colorless stable liquid. Miscible with most common organic solvents, slightly soluble in water. Melting Point -90 °c. Boiling Point 132 °c. The relative density was 0.8083. Flash point 40.6 °c. Refractive index 4112. Vapor pressure (20 °c) 0.373kPa. Viscosity 5.2MPa-s. Cure to vitreous at less than -90 °c. The vapor and air form an explosive mixture with an explosion limit of 1% to 5.5%. Toxic.
Last Update：2024-01-02 23:10:35
4-甲基-2-戊醇 - Preparation Method
Open Data Verified Data
prepared by catalytic hydrogenation of methyl isobutyl (methyl) ketone through nickel and fractionated in a rectification column to obtain a finished product.
Last Update：2022-01-01 10:34:26
4-甲基-2-戊醇 - Use
Open Data Verified Data
used as a solvent for dyes, petroleum, rubber, resin, paraffin, nitrocellulose, ethyl cellulose and the like. For organic synthesis of raw materials, mineral floating lotion and brake fluid.
Last Update：2022-01-01 10:34:26
4-甲基-2-戊醇 - Safety
Open Data Verified Data
- toxic, mouse oral LD502.6g/kg, steam on the skin, mucous membranes have a stimulating effect, long-term exposure will cause Head Pain and other symptoms. When inhaled vapor should be immediately moved to the fresh air. After the skin is in contact with it, rinse with plenty of water. Maximum allowable concentration of lOOmg/m3 in air. The operator should wear protective gear.
- packed in 200L iron drum, 15 0kg per drum. According to the provisions of the storage and transportation of toxic chemicals.
Last Update：2022-01-01 10:34:28
4-甲基-2-戊醇 - Introduction
4-Methyl-2-pentanol is an organic compound with the chemical formula C6H14O. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: 4-Methyl-2-pentanol is a colorless liquid with a pungent odor.
-Solubility: It is soluble in water and organic solvents.
-Density: Its density is about 0.82 g/mL.
-Boiling point: The boiling point of 4-Methyl-2-pentanol is about 141°C.
-Ignition point: It is combustible and releases toxic gases when burned.
Use:
-As a solvent: 4-Methyl-2-pentanol can be used as a solvent in organic synthesis, commonly used in coatings, adhesives, inks and cleaning agents and other industries.
-Reagent in chemical reactions: It can be used as raw materials for alcohols, ethers and esters, and can also be used in esterification, etherification and oxidation reactions.
-Preparation of surfactants: 4-Methyl-2-pentanol is one of the raw materials for the synthesis of nonionic surfactants.
Preparation Method:
4-Methyl-2-pentanol is usually prepared by reacting 2-pentanol with a methylating agent, which can be methyl bromide or methyl iodide. The reaction is usually carried out under basic conditions.
Safety Information:
- 4-Methyl-2-pentanol is an irritant substance that may irritate the eyes and skin when contacted. Wear protective glasses and gloves when using.
-It is a combustible substance and should be kept away from open flames and high temperatures.
-avoid inhalation of its vapor, if accidentally inhaled, should immediately away from the source of pollution and breathing fresh air.
-Waste disposal shall be carried out in accordance with local regulations and in cooperation with specialized agencies.
Please note that for specific applications and safe operation, relevant regulations and operating manuals need to be followed.
Nature:
-Appearance: 4-Methyl-2-pentanol is a colorless liquid with a pungent odor.
-Solubility: It is soluble in water and organic solvents.
-Density: Its density is about 0.82 g/mL.
-Boiling point: The boiling point of 4-Methyl-2-pentanol is about 141°C.
-Ignition point: It is combustible and releases toxic gases when burned.
Use:
-As a solvent: 4-Methyl-2-pentanol can be used as a solvent in organic synthesis, commonly used in coatings, adhesives, inks and cleaning agents and other industries.
-Reagent in chemical reactions: It can be used as raw materials for alcohols, ethers and esters, and can also be used in esterification, etherification and oxidation reactions.
-Preparation of surfactants: 4-Methyl-2-pentanol is one of the raw materials for the synthesis of nonionic surfactants.
Preparation Method:
4-Methyl-2-pentanol is usually prepared by reacting 2-pentanol with a methylating agent, which can be methyl bromide or methyl iodide. The reaction is usually carried out under basic conditions.
Safety Information:
- 4-Methyl-2-pentanol is an irritant substance that may irritate the eyes and skin when contacted. Wear protective glasses and gloves when using.
-It is a combustible substance and should be kept away from open flames and high temperatures.
-avoid inhalation of its vapor, if accidentally inhaled, should immediately away from the source of pollution and breathing fresh air.
-Waste disposal shall be carried out in accordance with local regulations and in cooperation with specialized agencies.
Please note that for specific applications and safe operation, relevant regulations and operating manuals need to be followed.
Last Update：2024-04-10 22:29:15
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View History
4-甲基-2-戊醇
1-异丙氨基-3-(1-萘氧基)-2-丙醇盐酸盐
2-(二甲胺基)-2-氧代乙基 2-(4-羟基苯基)乙酸酯
1,4-PHENYLENEBIS(BORONIC ACID)
D-Mannonic acid, 2,6-anhydro-, delta-lactone (9CI)
2,4-二羟基-5-异丙基苯并二硫辛酸
DIBENZOYL-L-TARTARIC ACID
IMINODIBENZYL CARBONYL CHLORIDE
碱式乙酸铅试液(药典)
1-异丙氨基-3-(1-萘氧基)-2-丙醇盐酸盐
2-(二甲胺基)-2-氧代乙基 2-(4-羟基苯基)乙酸酯
1,4-PHENYLENEBIS(BORONIC ACID)
D-Mannonic acid, 2,6-anhydro-, delta-lactone (9CI)
2,4-二羟基-5-异丙基苯并二硫辛酸
DIBENZOYL-L-TARTARIC ACID
IMINODIBENZYL CARBONYL CHLORIDE
碱式乙酸铅试液(药典)