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15307

Sigma-Aldrich

Chloral hydrate

meets analytical specification of Ph. Eur., BP, USP, 99.5-101%

Synonym(s):
Trichloroacetaldehyde hydrate
Linear Formula:
Cl3CCH(OH)2
CAS Number:
Molecular Weight:
165.40
Beilstein:
1698497
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

99.5-101%

quality

meets analytical specification of Ph. Eur., BP, USP

reaction suitability

reagent type: cross-linking reagent

drug control

USDEA Schedule IV

impurities

chlor alcoholate, complies
organic volatile impurities, complies (GC)
residual solvents Toluene, Chloroform, Benzene, complies
≤0.002% heavy metals (as Pb)
≤0.1% non-volatile matter

ign. residue

≤0.1% (as SO4)

pH

3.5-5.5 (20 °C, 10%)

mp

57 °C (lit.)

anion traces

chloride (Cl-): ≤70 mg/kg

suitability

complies for appearance of solution
complies for reaction against H2SO4

SMILES string

OC(O)C(Cl)(Cl)Cl

InChI

1S/C2H3Cl3O2/c3-2(4,5)1(6)7/h1,6-7H

InChI key

RNFNDJAIBTYOQL-UHFFFAOYSA-N

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Application

Chloral hydrate is used in many protocols as a clearing agent for the microscopic examination of plant tissues without disrupting the cellular features.

Pictograms

Skull and crossbonesHealth hazard

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT RE 2 Inhalation

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Certificate of Origin

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To report the largest study on the safety and effectiveness of sedation in paediatric ophthalmology in a nurse-led outpatient sedation unit. Retrospective cohort study reviewing all children who underwent sedation from January 2006 to December 2010. Patients were sedated with

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