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101964 di-Sodium tetraborate decahydrate

di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=9.18₀ (25°C) Certipur®. CAS 1303-96-4.

di-Sodium tetraborate decahydrate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Borax, Sodium biborate decahydrate, Sodium borate decahydrate

CAS #: 1303-96-4 EC Number: 215-540-4 Molar Mass: 381.37 g/mol Chemical Formula: Na₂B₄O₇ * 10 H₂O Hill Formula: B₄Na₂O₇*10H₂O
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101964
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Overview

Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
1303-96-4215-540-4B₄Na₂O₇*10H₂ONa₂B₄O₇ * 10 H₂O381.37 g/mol

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      Description
      Catalogue Number101964
      SynonymsBorax, Sodium biborate decahydrate, Sodium borate decahydrate
      Descriptiondi-Sodium tetraborate decahydrate
      References
      Product Information
      CAS number1303-96-4
      EC index number005-011-01-1
      EC number215-540-4
      Hill FormulaB₄Na₂O₇*10H₂O
      Chemical formulaNa₂B₄O₇ * 10 H₂O
      Molar Mass381.37 g/mol
      HS Code2840 19 00
      Quality LevelMQ300
      Applications
      Applicationdi-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=9.18₀ (25°C) Certipur®. CAS 1303-96-4.
      Biological Information
      Physicochemical Information
      Density1.730 g/cm3
      Melting Point75 °C Elimination of water of crystallisation
      pH value9.0 - 9.5 (38.1 g/l, H₂O, 25 °C)
      Vapor pressure0.213 hPa (20 °C)
      Bulk density750 kg/m3
      Solubility49.74 g/l
      Dimensions
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat 2660 mg/kg
      LD 50 dermalLD50 Rabbit > 2000 mg/kg
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Statement(s)H319: Causes serious eye irritation.
      H360FD: May damage fertility. May damage the unborn child.
      Precautionary Statement(s)P202: Do not handle until all safety precautions have been read and understood.
      P264: Wash skin thoroughly after handling.
      P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
      P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
      P308 + P313: IF exposed or concerned: Get medical advice/ attention.
      P337 + P313: If eye irritation persists: Get medical advice/ attention.
      Signal WordDanger
      RTECSVZ2275000
      Storage class6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
      WGKWGK 1 slightly hazardous to water
      Disposal3
      Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
      Safety Information
      Categories of dangertoxic for reproduction
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +15°C to +25°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Specifications
      pH-value (25 °C)9.180 - 9.186
      Identitypasses test
      Global Trade Item Number
      Catalog Number GTIN
      1019640025 04022536026961

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      Analytics and Sample Preparation > Reference Materials > Certipur® Reference Material for Reliable Calibration in pH Measurement
      Analytics and Sample Preparation > Reference Materials > Certipur® Reference Material for Reliable Calibration in pH Measurement > Certified Secondary Reference Buffer Solutions and Substances