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101964 硼砂 , 四硼酸二鈉

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.

硼砂 , 四硼酸二鈉 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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Overview

Replacement Information

Key Spec Table

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

Products

Catalogue NumberPackaging Qty/Pack
1.01964.0025 玻璃瓶 25 g
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 除去結晶水
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
Catalogue Number GTIN
1.01964.0025 04022536026961

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Reagents, Chemicals and Labware > Inorganic Reagents > Instrumental Inorganic Analysis > Certipur® Standards, Reference Materials and Buffers > Certipur® Reference Material for Reliable Calibration in pH Measurement > Certified Secondary Reference Buffer Solutions and Substances
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