Sign up for free shipping on all website orders, no minimum required, and get exclusive coupons!
Users can now ask questions to the AI chatbot by clicking the chatbot icon in the bottom-right corner of the website.
Maximum quantity allowed is 999
Please select the quantity
CAS RN: 110-65-6 | Product Number: B0749
2-Butyne-1,4-diol
×
![]()
×
Purity: >99.0%(GC)
Synonyms:
- 1,4-Dihydroxy-2-butyne
- 1,2-Dihydroxydimethylacetylene
Product Documents:
| Size | Unit Price | Philadelphia, PA | Portland, OR | Japan* | Quantity |
Shipping Information
|
|---|---|---|---|---|---|---|
| 25G |
$16.00
|
1 | 2 | ≥100 |
|
|
| 500G |
$64.00
|
34 | Ships from Philadelphia the same day* | Ships within 1 month after ordering |
|
* Items in stock locally typically ship the same day of ordering. Items from Japan stock are able to ship from a US warehouse within 2 weeks after ordering. For additional estimated shipment times, please refer to the Shipping Simulation tool. Note: Excludes regulated items and items that ship on ice.
* To send your quote request for bulk quantities, please click on the "Request Quote" button. Please note that we cannot offer bulk quantities for some products.
*TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.
| Product Number | B0749 |
Purity / Analysis Method 
|
>99.0%(GC) |
| Molecular Formula / Molecular Weight | C__4H__6O__2 = 86.09 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Refrigerated (0-10°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Hygroscopic,Heat Sensitive |
| CAS RN | 110-65-6 |
| Reaxys Registry Number | 1071237 |
| PubChem Substance ID | 87563749 |
| SDBS (AIST Spectral DB) | 260 |
| MDL Number | MFCD00002915 |
Specifications
| Appearance | White to Light yellow to Light orange powder to crystal |
| Purity(GC) | min. 99.0 % |
| Melting point | 54.0 to 58.0 °C |
Properties (reference)
| Melting Point | 58 °C |
| Boiling Point | 238 °C |
| Solubility in water | Soluble |
| Solubility (soluble in) | Alcohol, Acetone |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H301 + H311 + H331 : Toxic if swallowed, in contact with skin or if inhaled. H314 : Causes severe skin burns and eye damage. H370 : Causes damage to organs. H372 : Causes damage to organs through prolonged or repeated exposure. H373 : May cause damage to organs through prolonged or repeated exposure. H317 : May cause an allergic skin reaction. H402 : Harmful to aquatic life. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant. P273 : Avoid release to the environment. P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray. P270 : Do not eat, drink or smoke when using this product. P271 : Use only outdoors or in a well-ventilated area. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P272 : Contaminated work clothing must not be allowed out of the workplace. P307 + P311 : IF exposed: Call a POISON CENTER or doctor/ physician. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention. P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P362 : Take off contaminated clothing and wash before reuse. P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. P403 + P233 : Store in a well-ventilated place. Keep container tightly closed. P405 : Store locked up. |
Related Laws:
| RTECS# | ES0525000 |
Transport Information:
| UN Number (DOT-AIR) | UN2716 |
| Class (DOT-AIR) | 6.1 |
| Packing Group (TCI-A) | III |
| HS Number | 2905.39.9000 |
PubMed Literature
Product Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
Please select Language.
The requested SDS is not available.
Please Contact Us for more information.
Specifications
C of A & Other Certificates
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
Sample C of A
This is a sample C of A and may not represent a recently manufactured lot of the product.
A sample C of A for this product is not available at this time.
Analytical Charts
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
The requested analytical chart is not available. Sorry for the inconvenience.