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Merck
CN

P5520

Paraldehyde

≥97%

Synonym(s):

2,4,6-Trimethyl-1,3,5-trioxacyclohexane, s-Trimethyltrioxymethylene, Acetaldehyde trimer, NSC 9799, Paracetaldehyde

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About This Item

Empirical Formula (Hill Notation):
C6H12O3
CAS Number:
123-63-7
Molecular Weight:
132.16
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24898662
EC Number:
204-639-8
Beilstein/REAXYS Number:
80142
MDL number:
MFCD00036208
Assay:
≥97%

Key Documents

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InChI

1S/C6H12O3/c1-4-7-5(2)9-6(3)8-4/h4-6H,1-3H3

InChI key

SQYNKIJPMDEDEG-UHFFFAOYSA-N

SMILES string

CC1OC(C)OC(C)O1

assay

≥97%

drug control

USDEA Schedule IV

density

0.994 g/mL at 20 °C (lit.)

Quality Level

200

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Application

Reactant involved in:
  • Modified Sanford reaction
  • Synthesis of N-arylbenzoquinaldinium derivatives with antimicrobial activity
  • Hydroformylation of alkenylamines
  • Studies of molecules with inhibitory activity against HIV-1 integrase
  • Irregular Wittig reactions for the formation of α-hydroxyketones

Biochem/physiol Actions

Hypnotic with rapid onset; anticonvulsant at high doses; used to treat delirium tremors

pictograms

Flame
GHS02

signalword

Warning

hcodes

H226

Hazard Classifications

Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

75.2 °F - closed cup

flash_point_c

24 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
0000476652
0000476652
0000462472
0000462472
0000305212

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Type of syringe for giving paraldehyde injection.
C R Dass
Indian pediatrics, 37(4), 448-448 (2000-04-26)
Emergency management of seizures in children.
Monisha Goyal et al.
Lancet (London, England), 367(9522), 1555-1556 (2006-05-16)
D L Armstrong et al.
Journal of child neurology, 16(12), 915-917 (2002-01-12)
Seizures are commonly associated with hypoxic-ischemic encephalopathy. Although the majority of cases are controlled with first- or second-line therapy, others develop pervasive seizures, requiring multiple anticonvulsants. To provide data on the incidence of seizures and response to anticonvulsant therapies, a
Isaiah M Githiga et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 805(2), 365-369 (2004-05-12)
A rapid, sensitive and selective gas chromatographic method with flame ionization detection was developed for the determination of paraldehyde in small blood samples taken from children. Whole blood samples (300 microl) collected in a 3 ml Wheaton glass sample vial
R E Garr et al.
Developmental medicine and child neurology, 41(1), 44-47 (1999-03-06)
All children who presented in a convulsion, including convulsive status epilepticus, to the accident and emergency department over a 12-month period and who required treatment, were reviewed retrospectively to identify the effectiveness and safety of a specific treatment protocol. This
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