3-CHLORO-3-METHYL-1-BUTYNE
- CAS NO.：1111-97-3
- Empirical Formula: C5H7Cl
- Molecular Weight: 102.56
- MDL number: MFCD00190221
- EINECS: 214-188-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:43:30
What is 3-CHLORO-3-METHYL-1-BUTYNE?
Chemical properties
Clear colorless to straw colored liquid
The Uses of 3-CHLORO-3-METHYL-1-BUTYNE
3-Chloro-3-methyl-1-butyne is a propargyl chloride used to alkylate methanol, ethanol, ammonia and amines to the corresponding propargylic ether and amines.
The Uses of 3-CHLORO-3-METHYL-1-BUTYNE
3-Chloro-3-methyl-1-butyne was used in preparation of:
- series of benzo[b]pyrano[2,3-i]xanthen-6-ones and benzo[b]pyrano[3,2-h]xanthen-7-ones
- 6-hydroxy-3,3-dimethyl-3H,7H-benzo[a]pyrano[3,2-h]xanthen-7-one
- 5-hydroxy-2,2-dimethyl-2H,6H-benzo[a]pyrano[2,3-i]xanthen-6-one
- 3,3-dimethyl-3Hbenzofuro[3,2-f][1]-benzopyran
Properties of 3-CHLORO-3-METHYL-1-BUTYNE
| Melting point: | -61 °C (lit.) |
| Boiling point: | 73-75 °C (lit.) |
| Density | 0.913 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 40 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform, Hexane (Slightly) |
| form | Liquid |
| color | Clear colorless to straw |
| Specific Gravity | 0.91 |
| CAS DataBase Reference | 1111-97-3(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Butyne, 3-chloro-3-methyl- (1111-97-3) |
Safety information for 3-CHLORO-3-METHYL-1-BUTYNE
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
Computed Descriptors for 3-CHLORO-3-METHYL-1-BUTYNE
| InChIKey | QSILYWCNPOLKPN-UHFFFAOYSA-N |
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