Molekula

Ammonium Sulphide Solution 20% (aq)

SKU 90030403 CAS 12135-76-1 (NH4)2S MW 68.14 In stock

Ammonium sulphide solution 20% (aq) is a corrosive aqueous solution used in analytical chemistry, photography, and as a reagent in sulfide precipitation reactions. It appears as a colorless to pale yellow liquid with a strong odor of hydrogen sulfide. CAS: 12135-76-1, molecular formula: (NH4)2S, molecular weight: 68.14 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Ammonium Sulphide Solution 20% (aq) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch Download specification

Overview

Pricing & pack sizes

Pack sizes & pricing

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100 mL — €195.00 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

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Property	Value
Appearance	Light Green-Yellow to Very Dark Green-Yellow and Faint Yellow to Dark Yellow
Assay	20.0 - 24.0 %

Storage & handling

Property	Value
Storage Temperature	Ambient
Flash Point	32 C
Transport Class	8 (3, 6.1)
Packing Group	II
Shelf Life	24 months
Acidity	Base

Identification

Property	Value
SKU	90030403
CAS Number	12135-76-1
Molecular Formula	(NH4)2S
Molecular Weight	68.14
SMILES	S([NH4])[NH4]
EC / UN Number	2683
REACH Code	Y110
TSCA Listed	Yes
HTS Code	28309090
Tariff Code	2830908500

Safety & GHS

Danger

Flammable GHS02
Corrosive GHS05
Hazardous to the Environment GHS09

Hazard statements

EUH031 Contact with acids liberates toxic gas
H226 Flammable liquid and vapour
H314 (sub cat. 1B) Causes severe skin burns and eye damage
H400 Very toxic to aquatic life

Precautionary statements

P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
P273 Avoid release to the environment
P280 Wear protective gloves/protective clothing/eye protection/face protection
P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
P310 Immediately call a POISON CENTER or doctor/physician

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Safety Data Sheets (SDS)

Available in FR, IT, ES, DE, EN.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is ammonium sulphide solution 20% (aq) used for?

It is primarily used in analytical chemistry for qualitative inorganic analysis and in the synthesis of metal sulfides.

What is the chemical formula and molecular weight of ammonium sulphide solution?

The formula is (NH4)2S with a molecular weight of 68.14 g/mol.

How should ammonium sulphide solution be stored?

Store at ambient temperature, away from light and incompatible materials, and ensure the container is tightly sealed.

What grade of ammonium sulphide solution is available?

Available as a reagent grade solution, suitable for laboratory and industrial applications.

Can Molekula supply ammonium sulphide solution in bulk?

Yes, Molekula can supply ammonium sulphide solution in bulk quantities—please contact our sales team for details.

What documentation comes with an order of ammonium sulphide solution?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.

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