What is the identity and typical physical form of Carbohydrazide CAS 497-18-7?

CAS 497-18-7 identifies Carbohydrazide, also called carbonic dihydrazide or 1,3-diaminourea, with molecular formula CH₆N₄O and molecular weight about 90.08. It is commonly supplied as a white crystalline powder, but the offered form and active content should be confirmed.

What is Carbohydrazide used for?

Carbohydrazide is used mainly as an oxygen scavenger in boiler feedwater and steam systems, especially where a volatile treatment that does not add dissolved solids is preferred. It is also used as an epoxy curing agent, chemical intermediate and stabilizer in selected formulations.

Are Carbohydrazide powder and formulated solutions directly comparable?

No. Solid Carbohydrazide is commonly specified near 98-100.9% active content, while commercial boiler-treatment solutions may contain much lower active concentration and catalysts or other treatment components. Compare delivered cost, dosage and impurities on the same active basis.

Which quality parameters and steam-system conditions should be confirmed?

Review active content, free hydrazine, moisture, pH and limits for chloride, sulfate, silica, copper, iron, sodium and lead as required by the system. Also confirm boiler pressure, feed point, dissolved-oxygen target, metallurgy, existing treatment program and discharge limits.

How should Carbohydrazide be stored, handled, and transported?

Store in a cool, dry, ventilated area away from strong acids, oxidizers and ignition sources. Confirm the UN classification and transport conditions before shipment, and use appropriate containment, PPE and spill-control measures for the offered form.

Carbohydrazide CAS 497-18-7

Carbohydrazide is a nitrogen-containing chemical used in oxygen-scavenger applications. State the required solid or solution form and the intended system requirement when requesting current specifications.

CAS: 497-18-7
Synonyms: Carbohydrazide; Carbonic dihydrazide; 1,3-Diaminourea
Einecs: 207-837-2
Molecular Formula: CH₆N₄O
Grade: Confirm the current product-specific specification.
Package: Confirm packaging for the offered form and destination requirements.

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Product Description

Carbohydrazide, also called carbonic dihydrazide or 1,3-diaminourea, is identified by CAS 497-18-7 and molecular formula CH₆N₄O.

Carbohydrazide may be considered for oxygen-scavenger applications. Confirm safety, transport classification and suitability for the intended system with current product documentation.

Molecular weight: 90.08 g/mol

Beilstein: 1747069

EINECS: 207-837-2

Melting point: 153-154 °C

Use the current product-specific SDS and specification to assess handling, storage and local regulatory suitability.

FAQ - Technical & Supply Chain

Q:
What is the identity and typical physical form of Carbohydrazide CAS 497-18-7?

A: CAS 497-18-7 identifies Carbohydrazide, also called carbonic dihydrazide or 1,3-diaminourea, with molecular formula CH₆N₄O and molecular weight about 90.08. It is commonly supplied as a white crystalline powder, but the offered form and active content should be confirmed.
Q:
What is Carbohydrazide used for?

A: Carbohydrazide is used mainly as an oxygen scavenger in boiler feedwater and steam systems, especially where a volatile treatment that does not add dissolved solids is preferred. It is also used as an epoxy curing agent, chemical intermediate and stabilizer in selected formulations.
Q:
Are Carbohydrazide powder and formulated solutions directly comparable?

A: No. Solid Carbohydrazide is commonly specified near 98-100.9% active content, while commercial boiler-treatment solutions may contain much lower active concentration and catalysts or other treatment components. Compare delivered cost, dosage and impurities on the same active basis.
Q:
Which quality parameters and steam-system conditions should be confirmed?

A: Review active content, free hydrazine, moisture, pH and limits for chloride, sulfate, silica, copper, iron, sodium and lead as required by the system. Also confirm boiler pressure, feed point, dissolved-oxygen target, metallurgy, existing treatment program and discharge limits.
Q:
How should Carbohydrazide be stored, handled, and transported?

A: Store in a cool, dry, ventilated area away from strong acids, oxidizers and ignition sources. Confirm the UN classification and transport conditions before shipment, and use appropriate containment, PPE and spill-control measures for the offered form.

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