pH standard－Borax - borexPH(25℃)：9.18 , CAS No.1330-43-4

CAS: 1330-43-4 Cat. No.: P117666 Formula: Na₂B₄O₇ Molecular Weight: 201.22 EC Number: 215-540-4

GRADE & PURITY borexPH(25℃)：9.18

Synonyms

Anhydrous borax | STK034861 | 1310383-93-7 | Boron sodium oxide (B4Na2O7) | SODIUM BORATE [MI] | disodium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate | Boric acid, disodium salt | UQGFMSUEHSUPRD-UHFFFAOYSA-N | FT-0696539 | Sodium pyroborate | S

Storage

Protected from light,Room temperature,Desiccated

Shipped In

Normal

Overview

Usage: Take one sample at a time, pour the entire sample into a 250mL volumetric flask. Wash the vial multiple times with freshly distilled water and transfer the contents to the flask. After complete dissolution, dilute to the mark, mix well, and the solution is ready for use.

Specifications

Synonyms

Anhydrous borax | STK034861 | 1310383-93-7 | Boron sodium oxide (B4Na2O7) | SODIUM BORATE [MI] | disodium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate | Boric acid, disodium salt | UQGFMSUEHSUPRD-UHFFFAOYSA-N | FT-0696539 | Sodium pyroborate | S

Specifications & Purity

borexPH(25℃)：9.18

Storage

Protected from light,Room temperature,Desiccated

Shipped In

Normal

Names and Identifiers

• Canonical Smiles: B1(OB2OB(OB(O1)O2)[O-])[O-].[Na+].[Na+]
• IUPAC Name: disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane
• InChIKey: UQGFMSUEHSUPRD-UHFFFAOYSA-N
• INCHI: 1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)11-3;;/q-2;2*+1
• Isomeric SMILES: B1(OB2OB(OB(O1)O2)[O-])[O-].[Na+].[Na+]
• WGK Germany: 1
• RTECS: ED4588000
• Molecular Weight: 201.22
• Reaxy-Rn: 11326596
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11326596&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Alkali metal oxoanionic compounds
      • Subclass Alkali metal borates

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Alkali metal oxoanionic compounds
• Subclass: Alkali metal borates
• Intermediate Tree Nodes: Not available
• Direct Parent: Alkali metal borates
• Alternative Parents: Miscellaneous borates Metalloid salts Inorganic sodium salts Inorganic oxides
• Molecular Framework: Not available
• Substituents: Borate - Alkali metal borate - Inorganic sodium salt - Inorganic oxide - Inorganic salt - Inorganic metalloid salt
• Description: This compound belongs to the class of inorganic compounds known as alkali metal borates. These are inorganic compounds in which the largest oxoanion is borate, and in which the heaviest atom not in an oxoanion is an alkali metal.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Sensitivity: Hygroscopic.
• Refractive Index: 1.501
• Boil Point(°C): 1575°C
• Melt Point(°C): 741°C
• Molecular Weight: 201.200 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 0
• Exact Mass: 201.981 Da
• Monoisotopic Mass: 201.981 Da
• Topological Polar Surface Area: 92.300 Ų
• Heavy Atom Count: 13
• Formal Charge: 0
• Complexity: 121.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 3

XLogP3