CAS 2446-83-5 Fine Chemicals Diisopropyl Azodicarboxylate (DIAD)

Product Description:

Product Name: Diisopropyl azodicarboxylate (DIAD) CAS NO: 2446-83-5

Synonyms:

diazopropyl dicarboxylate;

di-isopropyl azodicarboxylate;

Diisopropyl Azodicarboxylate (DIAD);

Chemical & Physical Properties:

Appearance: Orange crystal or liquid

Assay :≥99.0%

Density: 1.02

Boiling Point: 75℃ (0.2 mmHg)

Melting Point: 41703℃

Flash Point: 106℃

Refractive Index: 1.418-1.422

Water Solubility: Insoluble

Stability: Stable at room temperature in closed containers under normal storage and handling conditions.

Storage Condition: 2-8℃

Vapor Pressure: 0.00463mmHg at 25℃

Safety Information:

Hazard Class: 9

Safety Statements: S16-S26-S29-S36/37/39-S47-S61

HS Code: 29270000

WGK Germany: 1

Packing Group: III

RIDADR: UN 3082

Risk Statements: R11; R36/37/38; R43; R5; R51/53

Hazard Code: F

Symbol: GHS07, GHS08, GHS09

Hazard Declaration: H315; H319; H335; H351; H373; H411

Caution Statement: P261; P273; P281; P305 + P351 + P338

Signal Word: Warning

Diisopropyl azodicarboxylate (DIAD) is the diisopropyl ester of azodicarboxylic acid. It is used as a reagent in the production of many organic compounds. It is often used in the Mitsunobu reaction where it serves as an oxidizer of triphenylphosphine to triphenylphosphine oxide. It has also been used to generate aza-Baylis-Hillman adducts with acrylates. It can also serve as a selective deprotectant of N-benzyl groups in the presence of other protecting groups.

It is sometimes preferred to diethyl azodicarboxylate (DEAD) because it is more hindered, and thus less likely to form hydrazide byproducts.

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