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71289

Sigma-Aldrich

Sodium azide

BioUltra, ≥99.5% (T)

Synonym(s):

NaN3, Natrium azide

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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:
57652280
NACRES:
NA.21
assay:
≥99.5% (T)
grade:
reagent grade
form:
crystals
solubility:
H2O: 1 M at 20 °C, clear, colorless

grade

reagent grade

Quality Level

200

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

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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

signalword

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

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

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB2135
SDBB1028
STBK8135
STBL2972
STBL2252

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Thomasow, J. and Paschke, M.
Milchwiss., 36, 65-68 (1981)
R.D. Wells et al.
Methods in Enzymology, 65, 333-333 (1980)
Hepatic microsomal ethanol-oxidizing system. In vitro characteristics and adaptive properties in vivo.
C S Lieber et al.
The Journal of biological chemistry, 245(10), 2505-2512 (1970-05-25)
M.L. Snyder et al.
The Journal of Infectious Diseases, 67, 113-113 (1940)
Gilles Lambert et al.
Journal of the American College of Cardiology, 63(22), 2365-2373 (2014-03-19)
Do elevated proprotein convertase subtilisin/kexin type 9 (PCSK9) levels constitute an even greater risk for patients who already have reduced low-density lipoprotein receptor (LDLR) levels, such as those with heterozygous familial hypercholesterolemia (HeFH)? As a circulating inhibitor of LDLR, PCSK9
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