Ammonium tetrachloroplatinate(II)

CAS 13820-41-2Cl4H8N2Pt1373 g/mol1

As of October 2026, the China regional price index for Ammonium tetrachloroplatinate(II) (CAS 13820-41-2) at 98% purity is $138.92 per 1 g, the median of 2 sources. The US regional index for the same specification and package is $131.52, from 1 source. These are research reference indexes in USD, not supplier quotations. Ammonium tetrachloroplatinate(II) is also known as Diammonium tetrachloroplatinate.

Review safety sources. Verify before use.

Market Intelligence Snapshot

Market Intelligence Snapshot

98% · 1 g · Regional reference indexes

US Regional Index
$131.52

Per 1 g basis

China Regional Index
$138.92

Per 1 g basis

Regional Gap
-5.6%

$7.40 less in US

Updated Oct 16, 2026 · Reference indexes, not supplier quotations

Calculation evidence & references
US index evidence · regional-median-v11 observations · 1 eligible suppliers · calculated Oct 16, 2026
China index evidence · regional-median-v12 observations · 2 eligible suppliers · calculated Oct 16, 2026
Public market reference channelsAlibaba.com ↗Amazon Business ↗How calculated ↗

Platform links identify public market channels. Exact supplier identities remain private; each displayed value is a GrapeCat Chem regional index, not a platform quote.

12-Month Regional Index History

Confidence: LIMITEDFreshness: Oct 16, 2026

USD-normalized · 1 g comparison basis

Compressed price scale · omitted empty range: 131.6–138.8

View exact monthly observations →
Latest six exact monthly observations
RegionOct26
US131.5
CN138.9
Exact monthly observations (1)
Exact monthly observations
USChina
131.52000000138.92000000

Published 1y index history · regional-median-v1 · basis 1 g · Methodology ↗

Structure, sources & questions
2D molecular structure of Ammonium tetrachloroplatinate(II), CAS 13820-41-2

PubChem CID pubchem:16211508 1

Safety & regulatory sourcesReference sources

Review source records and requirements before use.

Available Specifications & Package Bases

Available Specifications & Package Bases

Normalized specification and package facts from eligible technical documents; source-specific supplier promotion remains private. Each package is an independent research basis. How calculated ↗

98%
1 g
Current basis
US
$131.52
China
$138.92
Gap
-5.6%
$7.40 less in US

regional-median-v1 · 1/2 US/CN observations · calculated Oct 16, 2026

98%
250 mg
View prices
US
$55.00
China
$35.80
Gap
34.9%
$19.20 less in China

regional-median-v1 · 1/2 US/CN observations · calculated Oct 16, 2026

Reference Data & Physical Properties

Chemical Reference & Physical Properties

Secondary scientific reference values; unavailable fields remain unfilled.

External identifiers

InChIKey
QJIMNDWDOXTTBR-UHFFFAOYSA-L
PubChem CID
162115081
MDL Number
—
SMILES
[NH4+].[NH4+].Cl[Pt-2](Cl)(Cl)Cl

Applicable physical properties

Only source-provided properties applicable to this published basis are shown. Storage and container requirements remain in Safety Summary.

No applicable, independently verified physical-property values are published for this basis.
Sources (1)[1] PubChem CID pubchem:16211508Verified 2026-10-16

Identifiers and synonyms

Synonyms
Diammonium tetrachloroplatinate
CAS
13820-41-2
Formula
Cl4H8N2Pt
Molecular weight
373 g/mol
InChIKey
QJIMNDWDOXTTBR-UHFFFAOYSA-L
PubChem CID
16211508

Questions about Ammonium tetrachloroplatinate(II)

What is the CAS number of Ammonium tetrachloroplatinate(II)?

The CAS number of Ammonium tetrachloroplatinate(II) is 13820-41-2. Its molecular formula is Cl4H8N2Pt and its molecular weight is 373 g/mol.

What is the price index of Ammonium tetrachloroplatinate(II)?

As of October 2026, the China regional price index for Ammonium tetrachloroplatinate(II) (CAS 13820-41-2) at 98% purity is $138.92 per 1 g, the median of 2 sources. The US regional index for the same specification and package is $131.52, from 1 source.

Why is the China index higher than the US index for Ammonium tetrachloroplatinate(II)?

For 98%, 1 g, the US index is 5.3% lower in October 2026. The two indexes are built from different sets of sources in each region; the methodology page explains how listings are assigned to a region and converted to USD. The gap describes observed list prices, not landed cost: duties, freight and handling are not included.

What purities and package sizes are covered?

GrapeCat Chem publishes 2 comparison bases for Ammonium tetrachloroplatinate(II); the table on this page lists the index for each purity and package size.

Is this a quotation?

No. GrapeCat Chem does not sell chemicals. The values are research indexes calculated from observed list prices and are not offers, quotations or real-time prices.

Classification

Scientific Sourcing Taxonomy

CatalystsTransition Metal Catalysts
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Research index data only. Regional indexes are not executable quotations. Safety, physical-property, and regulatory references must be independently confirmed.

Data Methodology