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801537 2-Butyne-1,4-diol

2-Butyne-1,4-diol (not stabilised) for synthesis. CAS 110-65-6, pH 4 - 7.5 (100 g/l, H₂O, 23 °C).

2-Butyne-1,4-diol MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: 1,4-Dimethoxyacetylene

CAS #: 110-65-6 EC Number: 203-788-6 Molar Mass: 86.09 g/mol Hill Formula: C₄H₆O₂
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801537
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
110-65-6203-788-6C₄H₆O₂86.09 g/mol

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          Description
          Catalogue Number801537
          Synonyms1,4-Dimethoxyacetylene
          References
          Product Information
          CAS number110-65-6
          EC index number603-076-00-9
          EC number203-788-6
          Hill FormulaC₄H₆O₂
          Molar Mass86.09 g/mol
          HS Code2905 39 90
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Applications
          Application2-Butyne-1,4-diol (not stabilised) for synthesis. CAS 110-65-6, pH 4 - 7.5 (100 g/l, H₂O, 23 °C).
          Biological Information
          Physicochemical Information
          Boiling point125 - 127 °C (3 hPa)
          Density1.04 - 1.05 g/cm3 (20 °C)
          Flash point152 °C
          Ignition temperature410 °C
          Melting Point56 - 58 °C
          pH value4 - 7.5 (100 g/l, H₂O, 23 °C)
          Vapor pressure<1 hPa (20 °C)
          Bulk density500 kg/m3
          Solubility3740 g/l
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 100 mg/kg
          Safety Information according to GHS
          Hazard Pictogram(s) Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Statement(s)H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled.
          H314: Causes severe skin burns and eye damage.
          H317: May cause an allergic skin reaction.
          H373: May cause damage to organs through prolonged or repeated exposure.
          Precautionary Statement(s)P260: Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
          P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
          P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
          P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
          P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
          P314: Get medical advice/ attention if you feel unwell.
          Signal WordDanger
          RTECSES0525000
          Storage class6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
          WGKWGK 2 obviously hazardous to water
          Disposal9
          Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
          Safety Information
          Categories of dangertoxic, corrosive, sensitizing
          Product Usage Statements
          Storage and Shipping Information
          StorageStore below +30°C.
          Packaging Information
          Transport Information
          Declaration (railroad and road) ADR, RIDUN 2716 , 6.1, III
          Declaration (transport by air) IATA-DGRUN 2716 , 6.1, III
          Declaration (transport by sea) IMDG-CodeUN 2716 , 6.1, III
          Supplemental Information
          Specifications
          Assay (GC, area%)≥ 99.0 % (a/a)
          Melting range (lower value)≥ 54 °C
          Melting range (upper value)≤ 57 °C
          Identity (IR)passes test
          Global Trade Item Number
          Catalogue Number GTIN
          8015370100 04022536367668
          8015370500 04022536367675

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