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Merck

71289

Sodium azide

BioUltra, ≥99.5% (T)

Synonym(s):

NaN3, Natrium azide

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About This Item

Linear Formula:
NaN3
CAS Number:
Molecular Weight:
65.01
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
247-852-1
MDL number:
Assay:
≥99.5% (T)
Grade:
reagent grade
Form:
crystals
Solubility:
H2O: 1 M at 20 °C, clear, colorless
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grade

reagent grade

Quality Segment

product line

BioUltra

assay

≥99.5% (T)

form

crystals

impurities

insoluble matter, passes filter test

loss

≤0.1% loss on drying, 105 °C, 4 h

pH

~10.0 (25 °C, 1 M in H2O)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 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

absorption

cut-off at 276 nm in H2O at 1 M

SMILES string

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

InChI

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

InChI key

PXIPVTKHYLBLMZ-UHFFFAOYSA-N

Application

Sodium azide has been used as a reagent:
  • in flow cytometry buffer
  • in bromodeoxyuridine (BrdU) labeling of synchronized hydroxyurea (HU)-arrested cells
  • to immobilize worms


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Danger

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

Storage Class

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

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Poisonous substance

pdsc

Group 5: Self-reactive substances + Metal azides + Hazardous rank II + 2nd self-reactive materials

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

71289-50G:4.548173178134E12 + 71289-5G:4.548173178141E12 + 71289-250G:4.548173178127E12

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