Oxamide

ChemicalBook > CAS DataBase List > Oxamide

Product Name: Oxamide
CAS No.: 471-46-5
Chemical Name: Oxamide
Synonyms: ETHANEDIAMIDE;oxalamide;Oxalic diamide;Oxamid;OXAMIDE;NH2COCONH2;Oxamide>Oxamide, 98+%;oxamimidicacid;Diaminoglyoxal
CBNumber: CB2495794
Molecular Formula: C2H4N2O2
Formula Weight: 88.07
MOL File: 471-46-5.mol

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Oxamide Property

Melting point:: >300 °C (lit.)
Boiling point:: 162.99°C (rough estimate)
Density: 1,667 g/cm³
refractive index: 1.4264 (estimate)
storage temp.: Sealed in dry,Room Temperature
solubility: 0.37g/l
pka: 13.28±0.50(Predicted)
form: Fine Crystalline Powder
color: White
Water Solubility: insoluble
Merck: 14,6918
BRN: 1743262
CAS DataBase Reference: 471-46-5(CAS DataBase Reference)
NIST Chemistry Reference: Oxalamide(471-46-5)
EPA Substance Registry System: Ethanediamide (471-46-5)

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Safety

Hazard Codes: Xn,Xi
Risk Statements: 22-36/38-36/37/38
Safety Statements: 26-36-37/39
RIDADR: 2811
WGK Germany: 3
RTECS: RO4900000
TSCA: Yes
HazardClass: 6.1(b)
PackingGroup: III
HS Code: 29241900
Toxicity: LD50 orl-rat: 447 mg/kg GISAAA 47(7),78,82

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: O9328
Product name: Oxamide
Purity: 98%
Packaging: 100g
Price: $65.3
Updated: 2024/03/01

TCI Chemical

Product number: O0086
Product name: Oxamide
Purity: >98.0%(N)
Packaging: 25g
Price: $16
Updated: 2024/03/01

TCI Chemical

Product number: O0086
Product name: Oxamide
Purity: >98.0%(N)
Packaging: 100g
Price: $39
Updated: 2024/03/01

Alfa Aesar

Product number: A11570
Product name: Oxamide, 98+%
Packaging: 100g
Price: $38.65
Updated: 2024/03/01

Alfa Aesar

Product number: A11570
Product name: Oxamide, 98+%
Packaging: 500g
Price: $130.65
Updated: 2024/03/01

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Oxamide Chemical Properties,Usage,Production

Chemical Properties

white fine crystalline powder

Chemical Properties

Oxamide, H2NCOCONH2, mol wt 80.07, is sparingly soluble in water and insoluble in various organic solvents. It melts at about 350 °C, with accompanying decomposition. Because of the low solubility in water, the compound is granulated and used as a slow-release nitrogen fertilizer.

Uses

Oxamide is used as a stabilizer for nitrocellulose preparations. It also finds use in APCP rocket motors as a high performance burn rate suppressant.

Preparation

Oxamide can be prepared, for example, by pyrolyzing ammonium oxalate or by allowing hydrogen cyanide to react with hydrogen peroxide. It is also known to prepare oxamide by a reaction between dimethyl oxalate and ammonia, wherein methanol is produced in addition to oxamide. The preparation was carried out as a batch process in a liquid phase, with methanol acting as a solvent into which the dimethyl oxalate and ammonia are fed. The oxamide was separated from the solution by crystallization, and the remaining mother liquor was distilled to recover methanol and ammonia, which had been left over from the reaction.

Definition

ChEBI: A dicarboxylic acid diamide of oxalic acid.

Agricultural Uses

Oxamide (H₂ NCOCONH₂ ), a diamide of oxalic acid, is a white crystalline and non-hygroscopic fertilizer containing about 32% nitrogen, most of which is waterinsoluble at 25°C. Oxamide is made from cyanogen hydrolysis in an acid medium. It releases nitrogen slowly and hence is used as a slow-release fertilizer. It is decomposed by soil micro-organisms in the soil.

Safety Profile

Poison by ingestion and intraperitoneal routes. An eye irritant. When heated to decomposition it emits toxic fumes of NOx. See also AMIDES.

Purification Methods

Crystallise oxamide from water, grind it and dry it in an oven at 150o. [Beilstein 2 IV 1860.]

Oxamide Preparation Products And Raw materials

Raw materials

Preparation Products

Homopiperazine

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Oxamide Suppliers

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View Lastest Price from Oxamide manufacturers

Hebei Chuanghai Biotechnology Co,.LTD

Product: Oxamide 471-46-5
Price: US $9.00/KG
Min. Order: 1KG
Purity: 99.8%
Supply Ability: 100tons
Release date: 2024-08-16

Career Henan Chemical Co

Product: Oxamide 471-46-5
Price: US $8.80/KG
Min. Order: 1KG
Purity: 97%-99%
Supply Ability: 100kg
Release date: 2019-08-05

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471-46-5

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