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Diazomethane 334-88-3

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CAS No.:

334-88-3

Grade:

Industrial Grade

Content:

99%

Packaging:

200KG/drum

Price valid (until):

2023-07-11

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NANTONG REFORM PETRO-CHEMICAL CO.,LTD

Company Type:

Manufactory

Location:

China

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Flavors & Fragrances,Catalyst & Auxiliary,Intermediates,Dyes & Pigments,Inorganic Chemistry,petro chemicals

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Seller Information

Description

NANTONG REFORM PETRO-CHEMICAL CO.,LTD, with approximately 203470 visits to its shop, is a reputable Manufactory that has been providing Diazomethane 334-88-3 products for 4 years on ECHEMI.

ECHEMI Editorial Reference

Diazomethane is a flammable, yellow gas or a liquid under pressure. Musty odor.
Diazomethane is a yellow gas with a musty odor that is shipped as a liquid under pressure. (NIOSH, 2016) Highly toxic by inhalation.|YELLOW GAS WITH CHARACTERISTIC ODOUR.|Yellow gas with a musty odor.|Yellow gas with a musty odor. [Note: Shipped as a liquefied compressed gas.]
Diazomethane is a yellow gas with a musty odor that is shipped as a liquid under pressure. (NIOSH, 2016) Highly toxic by inhalation.|Diazomethane is the simplest diazo compound, in which a diazo group is attached to a methylene group. It has a role as an alkylating agent, an antineoplastic agent, a carcinogenic agent and a poison.|The major source of exposure to diazomethane is occupational. Diazomethane is a strong respiratory irritant. Acute (short-term) inhalation exposure of humans to diazomethane may cause irritation of the eyes, cough, wheezing, asthmatic symptoms, pulmonary edema, pneumonia, dizziness, weakness, headache, and chest pains. No information is available on the chronic (long-term), reproductive, developmental, or carcinogenic effects of diazomethane in humans. Increased incidences of lung tumors have been observed in rats and mice exposed to diazomethane by inhalation and in dermally exposed mice. EPA has not classified diazomethane with respect to its potential carcinogenicity.|A diazonium compound with the formula CH2N2.

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Basic Info

Product Name:

Diazomethane

Other Name:

Methane,diazo-;Azimethylene;Diazomethane;Diazirine;Diazonium methylide;Diazyne,methylene-;463-60-5;16835-99-7;62024-16-2;908094-01-9

CAS No.:

334-88-3

Molecular Formula:

CH2N2

InChIKeys:

InChIKey=YXHKONLOYHBTNS-UHFFFAOYSA-N

Molecular Weight:

42.04000

Exact Mass:

42.02180

EC Number:

206-382-7

UNII:

60A625P70P

ICSC Number:

1256

UN Number:

1953

DSSTox ID:

DTXSID0024008

Color/Form:

Yellow gas [Note: Shipped as a liquefied compressed gas]

Categories:

Inorganic Salts

Characteristics

PSA:

37.39000

XLogP3:

log Kow = 2.00 (est)

Appearance:

Diazomethane is a yellow gas with a musty odor that is shipped as a liquid under pressure. (NIOSH, 2016) Highly toxic by inhalation.

Density:

1.45 g/cm³

Melting Point:

-145 °C

Boiling Point:

-23 °C

Flash Point:

Flammable gas|NA (Gas)

Refractive Index:

1.684

Water Solubility:

Reacts with water (NIOSH, 2016)

Storage Conditions:

diazomethane should preferably be handled in solution using glassware specially designated for diazomethane (e.g., with Clear-Seal joints) and should be used as soon as possible after preparation. Storage of diazomethane solutions (even at low temperature) is not advisable. All work with diazomethane should be conducted in a fume hood behind a safety shield, and appropriate impermeable gloves, protective clothing, and safety goggles should be worn at all times.

Vapor Pressure:

greater than 1 atm (NIOSH, 2016)

Vapor Density:

1.45 (Air = 1)|Relative vapor density (air = 1): 1.4|1.45

Toxicity:

LCLO inhal (cat) 175 ppm (10 min) PEL (OSHA) 0.2 ppm (0.4 mg/m3) TLV-TWA (ACGIH) 0.2 ppm (0.4 mg/m3)

Odor:

Musty odor

Henrys Law Constant:

Henry's Law constant: 3.37X10-2 atm-cu m/mole at 25 °C (est)

Experimental Properties:

Undiluted liquid and concentrated solutions may explode violently, especially if impurities are present. Gaseous diazomethane may explode on heating to 100 °C or on rough glass surfaces. Ground glass apparatus and glass stirrers with glass sleeve bearings where grinding may occur, should not be used. Alkali metals also produce explosions with diazomethane. Soluble in ether, dioxane. Such solutions decompose only slowly at low temperatures. Decomposition is more rapid if alcohols or water are present. Copper powder causes active decomposition with the evolution of nitrogen and the formation of insoluble white flakes of polymethylene (CH2)x. Solid calcium chloride or boiling stones have the same effect. This phenomenon appears to occur always during the action of diazomethane on solid substances.|Incompatible with alkali metals, water, drying agents such as calcium arsenate [Note: May explode violently on heating, exposure to sunlight, or contact with rough edges such as ground glass.]|Severe explosion risk when shocked|Dipole moment = 1.50|For more Other Experimental Properties (Complete) data for DIAZOMETHANE (9 total), please visit the HSDB record page.

Air and Water Reactions:

Reacts with water, releasing nitrogen, more stable in ether or dioxane.

Reactive Group:

Azo, Diazo, Azido, Hydrazine, and Azide Compounds

Reactivity Alerts:

Explosive

Reactivity Profile:

DIAZOMETHANE undergoes violent thermal decomposition. Above 200°C. the vapors may explode violently if rough glass surfaces are present. Explosions at low temperatures can occur if traces of organic matter are present. [J. Phys. Chem. 35:1403(1931)]. Produces explosions with alkali metals. Reacts with copper powder and to some extent all solid surfaces to produce nitrogen and solid white polymethylene. Reacts with dimethylaminodimethylarsine and trimethyltin in ether with vigorous foaming.

Autoignition Temperature:

Explodes at 100 °C (212 °F) or if impurities are present, at lower temperatures. Vapor may explode at temperatures above 200 °C (392 °F).|100 °C (explosion)

Ionization Potential:

9.00 eV

Flammable Limits:

Flammable Gas [EXPLOSIVE!]

Physical Dangers:

The gas is heavier than air and may travel along the ground; distant ignition possible.

See More Diazomethane Properties 

Hazard Identification

Classification of the substance or mixture

Carcinogenicity, Category 1B

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H350 May cause cancer
Prevention	P203 Obtain, read and follow all safety instructions before use. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P318 IF exposed or concerned, get medical advice.
Storage	P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames, NO sparks and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting. Do NOT expose to friction or shock. Prevent build-up of electrostatic charges (e.g., by grounding). Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Solutions of diazomethane should not be stored. See Notes.Diazomethane should be stored in a cool, dry, well-ventilated area in tightly sealed containers that are labeled in accordance with OSHA's Hazard Communication Standard. Containers of diazomethane should be protected from shock, heat, sparks, open flames and physical damage and should be stored separately from alkali metals, calcium sulfate, calcium chloride, boiling stones, or copper powder. Outside or detached storage is preferred. Empty containers of diazomethane should be handled appropriately.

See More Diazomethane Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Flavors & Fragrances,Catalyst & Auxiliary,Intermediates,Dyes & Pigments,Inorganic Chemistry,petro chemicals

Location:
17th Yuanlin Road ,Chongchuan area ,Nantong city ,Jiangsu province ,China

Payment Terms:
L/C,100% TT in advance

Average lead Time:
2

Total Annual Revenue:
Above $100 million

Total Employees:
201-300

Year of Establishment:
2008

Certifications:
GB/T19001-2016 / Iso9001:2015

Established in 2008, running 14 years in Chemicals,
with over one hundred staff ,selling thousand items, over RMB 1billion turnover annually.
Regist ISO9001(No:31622Q10628ROM)
Especially in the research, development and production of : Chemical raw materials,fine chemicals,pharmaceutical intermediates,Agrochemicals,food additives,Electronic chemicals,Environmental protection and water treatment...etc.
We specialize in these field with the strength of good quality, pretty competitive price,and good service.
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