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Merck
CN

32869

trans-1,2-Diaminocyclohexane-N,N,N′,N′-tetraacetic acid monohydrate

ACS reagent grade, ≥99.0% (KT), puriss. p.a., suitable for complexometry

Synonym(s):

1,2-Cyclohexanedinitrilotetraacetic acid, Chel-CD, DCTA

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About This Item

Empirical Formula (Hill Notation):
C14H22N2O8 · H2O
CAS Number:
Molecular Weight:
364.35
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
236-308-9
MDL number:
Beilstein/REAXYS Number:
3222748
Assay:
≥99.0% (KT)
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Product Name

trans-1,2-Diaminocyclohexane-N,N,N′,N′-tetraacetic acid monohydrate, puriss. p.a., ACS reagent, suitable for suitability for complexometry, ≥99.0% (KT)

InChI key

VASZYFIKPKYGNC-DHTOPLTISA-N

InChI

1S/C14H22N2O8.H2O/c17-11(18)5-15(6-12(19)20)9-3-1-2-4-10(9)16(7-13(21)22)8-14(23)24;/h9-10H,1-8H2,(H,17,18)(H,19,20)(H,21,22)(H,23,24);1H2/t9-,10-;/m1./s1

SMILES string

[H]O[H].OC(=O)CN(CC(O)=O)[C@@H]1CCCC[C@H]1N(CC(O)=O)CC(O)=O

grade

ACS reagent, puriss. p.a.

assay

≥99.0% (KT)

ign. residue

≤0.1% (as SO4)

mp

213-216 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤10 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

suitability

suitable for suitability for complexometry

functional group

amine, carboxylic acid

Quality Level

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Application

trans-1,2-Diaminocyclohexane-N,N,N′,N′-tetraacetic acid monohydrate can be used in the preparation of total ionic strength adjustment buffer.

Other Notes

Complexing agent; metal binding properties

Legal Information

Chel is a trademark of Ciba-Geigy AG

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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