Merck
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87718

Sigma-Aldrich

Tetramethylammonium chloride

BioUltra, for molecular biology, ≥99.0% (AT)

Synonym(s):
TMA
Linear Formula:
(CH3)4N(Cl)
CAS Number:
Molecular Weight:
109.60
Beilstein:
3911201
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.26

Quality Level

grade

for molecular biology

product line

BioUltra

assay

≥99.0% (AT)

form

crystals

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected

mp

>300 °C (lit.)

solubility

H2O: 6 M at 20 °C, clear, colorless

anion traces

bromide (Br-): ≤500 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: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.02
λ: 280 nm Amax: 0.02

SMILES string

[Cl-].C[N+](C)(C)C

InChI

1S/C4H12N.ClH/c1-5(2,3)4;/h1-4H3;1H/q+1;/p-1

InChI key

OKIZCWYLBDKLSU-UHFFFAOYSA-M

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Other Notes

Hybridization of genomic DNA to AT-rich oligonucleotide probes

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Aquatic Chronic 2 - Skin Irrit. 2 - STOT SE 1 Oral

Target Organs

Central nervous system

Storage Class Code

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

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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