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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
      8015370500 04022536367675

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