Sodium azide

Name: Sodium azide
Brand: ALDRICH
Price: 121 USD
Availability: InStock

≥99%, ultra dry

Synonym(s):

Azide, Hydrazoic acid sodium salt

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100 G

$121.00

Estimated to ship onDecember 17, 2025fromMILWAUKEE

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About This Item

Linear Formula:

NaN₃

CAS Number:

26628-22-8

Molecular Weight:

65.01

EC Number:

247-852-1

MDL number:

MFCD00003536

UNSPSC Code:

12352302

PubChem Substance ID:

329767440

NACRES:

NA.23

Assay:

≥99%
99.0-101.0% (RT)

Form:

solid

Key Documents

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Quality Level

100

assay

≥99%
99.0-101.0% (RT)

form

solid

quality

ultra dry

reaction suitability

core: sodium

impurities

≤0.05% insolubles in water
≤0.2% free alkaline (as NaOH)

loss

≤0.2% loss on drying

cation traces

heavy metals (as Pb): ≤0.001%

SMILES string

[Na]N=[N+]=[N-]

InChI

1S/N3.Na/c1-3-2;/q-1;+1

InChI key

PXIPVTKHYLBLMZ-UHFFFAOYSA-N

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Related Categories

Azides

High-Purity Salts

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Show Differences

1 of 4

This Item	71289	71289	71290
Sigma-Aldrich 769320 Sodium azide	Sigma-Aldrich 71289 Sodium azide	Sigma-Aldrich 71289 Sodium azide	Sigma-Aldrich 71290 Sodium azide
form solid	form crystals	form crystals	form crystals
assay ≥99%, 99.0-101.0% (RT)	assay ≥99.5% (T)	assay ≥99.5% (T)	assay ≥99.0% (T)
Quality Level 100	Quality Level 200	Quality Level 200	Quality Level 200
impurities ≤0.05% insolubles in water, ≤0.2% free alkaline (as NaOH)	impurities insoluble matter, passes filter test	impurities insoluble matter, passes filter test	impurities -
cation traces heavy metals (as Pb): ≤0.001%	cation traces Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤100 mg/kg, Li: ≤5 mg/kg, Mg: ≤10 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg	cation traces Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤100 mg/kg, Li: ≤5 mg/kg, Mg: ≤10 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg	cation traces Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg
quality ultra dry	quality -	quality -	quality -

Application

Sodium azide is well known for its application in automobile air bags. It also find use in organic synthesis involving azide functionalization.

pictograms

GHS06,GHS08,GHS09

signalword

Danger

hcodes

H300 + H310 + H330,H373,H410

pcodes

P262 - P264 - P273 - P280 - P302 + P352 + P310 - P304 + P340 + P310

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2 Oral

target_organs

Brain

supp_hazards

EUH032

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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