Sodium phosphate dibasic heptahydrate - PrimorTrace™, ≥99.99% metals basis , CAS No.7782-85-6

CAS: 7782-85-6 Cat. No.: S434049 Molecular Weight: 268.07 EC Number: 616-512-8 PubChem CID: 6096963
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GRADE & PURITY PrimorTrace™ ? PrimorTrace™ — Aladdin's trace-metal-analysis line with ultra-low metal background. Use for ICP/AAS trace-metal work where contamination must be minimal. ≥99.99% metals basis
Synonyms
GVALZJMUIHGIMD-UHFFFAOYSA-H | SODIUM PHOSPHATE DIBASIC (HEPTAHYDRATE) [WHO-DD] | SODIUM PHOSPHATE,DIBASIC,HEPTAHYDRATE [VANDF] | Sodium phosphate dibasic heptahydrate | Sodium sulphate, anhydrous | 70WT22SF4B | Sodium phosphate dibasic heptahydrate USP gr
Storage
Room temperature
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Size
Status
Price
Qty
50g
S434049-50g
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$160.90

$187.90
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250g
S434049-250g
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$579.90

$676.90
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Why this grade

PrimorTrace™, ≥99.99% metals basis PrimorTrace™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 28 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Application

Sodium phosphate dibasic heptahydrate has been used to prepare sodium phosphate buffer and phosphate-buffered saline (PBS) buffer.[44}

Specifications

Synonyms
GVALZJMUIHGIMD-UHFFFAOYSA-H | SODIUM PHOSPHATE DIBASIC (HEPTAHYDRATE) [WHO-DD] | SODIUM PHOSPHATE, DIBASIC, HEPTAHYDRATE [VANDF] | Sodium phosphate dibasic heptahydrate | Sodium sulphate, anhydrous | 70WT22SF4B | Sodium phosphate dibasic heptahydrate USP gr
Specifications & Purity
PrimorTrace™, ≥99.99% metals basis
Storage
Room temperature
Grade
PrimorTrace™
Purity
≥99.99% metals basis
Names and Identifiers
Canonical SmilesO.O.O.O.O.O.O.OP(=O)([O-])[O-].[Na+].[Na+]
IUPAC Namedisodium;hydrogen phosphate;heptahydrate
InChIKeyPYLIXCKOHOHGKQ-UHFFFAOYSA-L
INCHI1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2
Isomeric SMILES O.O.O.O.O.O.O.OP(=O)([O-])[O-].[Na+].[Na+]
WGK Germany 3
PubChem CID 6096963
Molecular Weight 268.07

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassAlkali metal oxoanionic compounds
SubclassAlkali metal phosphates
Intermediate Tree Nodes Not available
Direct ParentAlkali metal phosphates
Alternative Parents Inorganic sodium salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal phosphate - Inorganic sodium salt - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal phosphates. These are inorganic compounds in which the largest oxoanion is phosphate, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Melt Point(°C)48°C
Molecular Weight268.070 g/mol
XLogP3
Hydrogen Bond Donor Count8
Hydrogen Bond Acceptor Count11
Rotatable Bond Count0
Exact Mass268.015 Da
Monoisotopic Mass268.015 Da
Topological Polar Surface Area90.400 Ų
Heavy Atom Count14
Formal Charge0
Complexity46.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count10
Citations of This Product
References
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