Sodium Sulphide Flake Extra Pure – 500 gram Packs

Sodium sulphide is a alkaline inorganic sulfide used in laboratory chemistry. Provides sulphide ions and reacts with metal ions to form insoluble sulfides. It is supplied here under the product listing “Sodium Sulphide Flake Extra Pure – 500 gram Packs” in a 500 g pack for institutional laboratory procurement. Its chemical behaviour makes it relevant to controlled qualitative inorganic sulfide precipitation reactions, depending on the specific method, reagent concentration and other materials present. The product should be selected by confirming its exact chemical form, relevant composition and compatibility with the intended protocol. Where the listing does not identify a hydrate, formula mass and registry designation must be confirmed against the actual manufacturer label rather than assumed from a related form. This material is intended for properly equipped educational, analytical and research settings under established laboratory procedures. Appropriate storage, protective equipment and chemical waste management are essential, particularly where hazardous reactions or releases are possible.

Product Specifications

Specification	Details
Appearance	Yellow to reddish flakes
Assay	99%
Chemical Name	Sodium sulphide
Alternate Names	Disodium sulphide; sodium sulfide flakes
Molecular Formula	Hydrate- and composition-dependent
Empirical Formula	Hydrate- and composition-dependent
CAS Number	Form-dependent
Molecular Weight	Form-dependent
Grade	LR Laboratory Reagent

Key Features of Sodium sulphide

• Sodium sulphide belongs to the alkaline inorganic sulfide family and has established reagent chemistry.
• Provides sulphide ions and reacts with metal ions to form insoluble sulfides.
• Recognized designations include disodium sulphide.
• Its response in controlled qualitative inorganic sulfide precipitation reactions makes it useful for selected laboratory protocols.
• The 500 g pack can be considered for laboratory stock planning, subject to protocol needs and suitability checks.

Laboratory Applications of Sodium sulphide

• Supervised chemistry practicals investigating alkaline inorganic sulfide behaviour.
• College-level experiments involving controlled qualitative inorganic sulfide precipitation reactions.
• Qualitative observations of reagent properties, colour changes or precipitates under an appropriate protocol.
• Preparation of working solutions or dispersions where the specified chemical form and concentration are suitable.
• Research or analytical method development related to controlled qualitative inorganic sulfide precipitation reactions, only with method validation and the required safety controls.

Why Choose Lab Wale to Buy Sodium sulphide

Lab Wale offers a sourcing option for Sodium sulphide for colleges, universities, teaching laboratories and research institutions. When selecting this 500 g laboratory listing, compare the stated identity with your experiment requirements, including the form of the salt, solubility, formulation and handling restrictions. Lab teams should verify the manufacturer label and available safety documentation before choosing a reagent for a specific protocol. Lab Wale also serves institutional buyers looking to organize purchases of laboratory chemicals and related scientific supplies.

Frequently Asked Questions About Sodium sulphide

What is Sodium sulphide used for in a laboratory?

One scientifically relevant role is controlled qualitative inorganic sulfide precipitation reactions. The material is not automatically suitable for every experiment, and users should follow a validated procedure with appropriate concentration, controls and protective measures.

What is the formula and molecular weight of Sodium sulphide?

The listing identifies Sodium sulphide. Formula: Hydrate- and composition-dependent; molecular weight or formula mass: Form-dependent. If a hydrate or mixture is not identified precisely, its exact formula mass must be confirmed from the supplied product identity.

What CAS number identifies Sodium sulphide?

The registry information for this listing is Form-dependent. For substances offered in several hydrate states or formulations, confirm the exact CAS identity on the manufacturer label before catalog publication or purchase.

Is Sodium sulphide suitable for educational laboratory work?

It may be relevant to carefully selected supervised investigations such as controlled qualitative inorganic sulfide precipitation reactions. Its suitability depends on the hazards, age and training of users, local laboratory controls, and the exact chemical composition.

How should Sodium sulphide be handled and stored?

Store dry, closed, away from acids and oxidizers; control ventilation. Corrosive; releases highly toxic hydrogen sulfide gas with acids; use fume hood. Review the current manufacturer Safety Data Sheet and follow institutional spill, exposure and waste procedures. Never substitute generic safety assumptions for the actual formulation.

Storage Conditions for Sodium sulphide

Store dry, closed, away from acids and oxidizers; control ventilation. Store in original or chemically compatible properly labelled containers and segregate from incompatible reagents. Prevent accidental contamination, unauthorized handling and environmental release. Refer to the current manufacturer Safety Data Sheet for any specialized storage limits relevant to this formulation or hydrate.

Precautions for Handling Sodium sulphide

Consult the current Safety Data Sheet before opening or using the reagent. Corrosive; releases highly toxic hydrogen sulfide gas with acids; use fume hood. Wear a suitable lab coat, chemical-resistant gloves and eye protection; use local extraction or a fume hood when dust, vapour or hazardous gas may be produced. Do not mix with incompatible reagents. Ensure trained supervision for hazardous procedures, and follow local spill, emergency-response and chemical-waste protocols.