2-methyl-2-hydroxy-3-butyne
2-Methyl-3-butyn-2-ol
CAS: 115-19-5
Molecular Formula: C5H8O
2-methyl-2-hydroxy-3-butyne - Names and Identifiers
2-methyl-2-hydroxy-3-butyne - Physico-chemical Properties
| Molecular Formula | C5H8O |
| Molar Mass | 84.1164 |
| Density | 0.91g/cm3 |
| Melting Point | 3℃ |
| Boling Point | 104.2°C at 760 mmHg |
| Flash Point | 25°C |
| Water Solubility | miscible |
| Vapor Presure | 17.2mmHg at 25°C |
| Appearance | Shape Powder or Crystals, color White to yellow-beige to brown |
| pKa | 13.34±0.29(Predicted) |
| PH | 7 (H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Flammable. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.444 |
| Physical and Chemical Properties |
|
| Use | For the synthesis of pharmaceuticals, pesticides, terpene Fragrance Intermediates, acid inhibitors, viscosity stabilizers, viscosity Reducer |
2-methyl-2-hydroxy-3-butyne - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R22 - Harmful if swallowed R41 - Risk of serious damage to eyes |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| UN IDs | UN 1987 3/PG 2 |
| WGK Germany | 1 |
| RTECS | ES0810000 |
| TSCA | Yes |
| HS Code | 29052990 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 1420 mg/kg LD50 dermal Rat > 2000 mg/kg |
2-methyl-2-hydroxy-3-butyne - Upstream Downstream Industry
2-methyl-2-hydroxy-3-butyne - Nature
| storage conditions | Store below +30°C. |
| solubility | Fully miscible. |
| acidity coefficient (pKa) | 13.34±0.29(Predicted) |
| morphology | Powder or Crystals |
| color | White to yellow-beige to brown |
| PH value | 7 (H2O, 20℃) |
| explosion limit value (explosive limit) | 1.8-16%(V) |
| water solubility | miscible |
| Merck | 14,6034 |
| BRN | 635746 |
| stability | Stable. Flammable. Incompatible with strong oxidizing agents. |
| NIST chemical information | 3-Butyn-2-ol, 2-methyl-(115-19-5) |
| EPA chemical information | 2-Methyl-3-butyn-2-ol (115-19-5) |
Last Update：2024-04-10 22:29:15
2-methyl-2-hydroxy-3-butyne - Security information
| WGK Germany | 1 |
| RTECS number | ES0810000 |
| auto-ignition temperature | 662 °F |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| customs code | 29052990 |
| Toxicity | LD50 orally in Rabbit: 1420 mg/kg LD50 dermal Rat > 2000 mg/kg |
Last Update：2024-04-10 22:29:15
2-methyl-2-hydroxy-3-butyne - Uses and synthesis methods
use
1. Used as an intermediate for synthetic medicine, pesticides, terpene fragrances, acid etching inhibitors, viscosity stabilizers, viscosity reducers, etc.
2, used as intermediates for synthetic medicines and pesticides, terpene perfume intermediates, acidic corrosion inhibitors, viscosity stabilizers, viscosity reducers, polished agents for nickel or copper plating, chlorinated hydrocarbon stabilizers, etc. It can also be used as a polymerization inhibitor for platinum-catalyzed hydrosilylation reaction in silicone rubber.
3, used as a stabilizer for solvents, intermediates, and chlorine-containing solvents
category
flammable liquids
toxicity classification
Poisoning
acute toxicity
oral-rat LD50: 1950 mg/kg; oral-mouse LD50: 500 mg/kg
flammability hazard characteristics
It is flammable in case of open flame, high temperature and oxidant; it decomposes toxic smoke when heated
storage and transportation features
The warehouse is ventilated and dry at low temperature; stored separately from oxidants and acids
fire extinguishing agent
Dry powder, dry sand, carbon dioxide, foam, 1211 fire extinguishing agent
Last Update：2024-04-09 22:09:11
Supplier List
Spot supply
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Product Name: 2-Methyl-3-butyn-2-ol Request for quotationCAS: 115-19-5
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Spot supply
Product Name: 2-Methyl-3-butyn-2-ol Request for quotationCAS: 115-19-5
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3787852685
Spot supply
Product Name: 2-Methyl-3-butyn-2-ol Request for quotationCAS: 115-19-5
Tel: 17505222756
Email: pules.cn@gmail.com
Mobile: +86-17551318830
Wechat: 17505222756
View History
Raw Materials for 2-methyl-2-hydroxy-3-butyne
Acetone
1-Butyne, 3-(1-ethoxyethoxy)-3-methyl-
2-METHYL-4-TRIMETHYLSILYL-3-BUTYN-2-OL
PROPYNAL
ETHYNYLMAGNESIUM BROMIDE
2-Methyl-1-propanol
1-Butyne, 3-(1-ethoxyethoxy)-3-methyl-
2-METHYL-4-TRIMETHYLSILYL-3-BUTYN-2-OL
PROPYNAL
ETHYNYLMAGNESIUM BROMIDE
2-Methyl-1-propanol
Downstream Products for 2-methyl-2-hydroxy-3-butyne
3-CHLORO-3-METHYL-1-BUTYNE
3-Methyl-2-butenal
4-ETHYNYL-BENZOIC ACID
4-Ethynyl-4'-pentyl-1,1'-biphenyl
2-METHYL-1-BUTEN-3-YNE
3-Methyl-2-butenal
4-ETHYNYL-BENZOIC ACID
4-Ethynyl-4'-pentyl-1,1'-biphenyl
2-METHYL-1-BUTEN-3-YNE