Calcium hydride, coarse powder, ca 92%, Thermo Scientific Chemicals

Description

Calcium hydride is used as an efficient drying agent for aprotic base-stable solvents like ethers and tertiary amines. It is a useful dehydrating agent in a synthesis of aldehyde enamines in high yield and purity.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Calcium chloride is used as an efficient drying agent for aprotic base-stable solvents like ethers and tertiary amines. It is a useful dehydrating agent in a synthesis of aldehyde enamines in high yield and purity.

Solubility
Soluble in water and alcohol. Insoluble in benzene.

Notes
Moisture sensitive. Reacts with water vigorously and liberates hydrogen gas. Incompatible with strong oxidizing agents, strong acids, halogens, water and alcohols.

Specifications

Chemical Identifiers

• CAS: 7789-78-8
• Molecular Formula: CaH₂
• MDL Number: MFCD00010897

• Melting Point: 600°C (decomposition)
• Physical Form: Coarse Powder
• Quantity: 250 g
• UN Number: UN1404
• Merck Index: 14,1672
• Solubility Information: Soluble in water and alcohol. Insoluble in benzene.
• Formula Weight: 42.1
• Percent Purity: ∼92%
• Odor: Odorless
• Density: 1.9
• Chemical Name or Material: Calcium hydride

Safety and Handling

Product Identifier

• Calcium hydride, coarse powder

Signal Word

• Danger

Hazard Category

• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Substance which\, in contact with water\, emits flammable gases Category 1

Hazard Statement

• H260-In contact with water releases flammable gases which may ignite spontaneously.
• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• EUH014-Reacts violently with water.

Precautionary Statement

• P231+P232-Handle under inert gas. Protect from moisture.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P332+P313-If skin irritation occurs: Get medical advice/attention.
• P337+P313-If eye irritation persists: Get medical advice/attention.

Supplemental information

• MIXTURE LIST-Contains : Calcium hydride

SDS

RUO – Research Use Only