Paraldehyde manufacturers and suppliers

Paraldehyde suppliers

Properties

Melting point:: 12 °C

Boiling point:: 65-82 °C

Density: 0.994 g/mL at 20 °C (lit.)

vapor density: 1.52 (vs air)

vapor pressure: 25.89 psi ( 55 °C)

FEMA: 4010 | PARALDEHYDE

refractive index: n20/D 1.39

Flash point:: 30 °F

storage temp.: 2-8°C

solubility: 120g/l

pka: 16(at 25℃)

form: solution

Specific Gravity: 0.994

color: Colorless liquid

Odor: disagreeable taste, aromatic odor

explosive limit: 1.3-17.0%(V)

Water Solubility: 125 g/L (25 ºC)

Merck: 13,7098

BRN: 80142

Dielectric constant: 14.5（20℃）

Stability:: Stable. Flammable. Incompatible with strong oxidizing agents, mineral acids.

InChIKey: SQYNKIJPMDEDEG-UHFFFAOYSA-N

LogP: 0.670

Safety Information

Symbol(GHS): GHS02

Signal word: Warning

Hazard statements: H226

Precautionary statements: P210-P233-P240-P241-P242-P243

Hazard Codes: F

Risk Statements: 11-R11-10

Safety Statements: 9-16-29-33-S9-S33-S29-S16

RIDADR: UN 1993 3/PG 2

WGK Germany: 1

RTECS: YK0525000

Autoignition Temperature: 235 °C

HazardClass: 3.2

PackingGroup: III

HS Code: 29125000

Toxicity: LD50 orally in rats: 1.65 g/kg (Figot)

Use

Paraldehyde is used primarily in medicine. It is used as a hypnotic agent, in delirium tremens; and in treatment of psychiatric states characterized by excitement when drugs must be given over a long period of time. It also is administered for intractable pain which does not respond to opiates and for basal and obstetrical anesthesia. It is effective against experimentally induced convulsions and has been used in emergency therapy of tetanus, eclampsia, status epilepticus; and poisoning by convulsant drugs. Since it is used primarily in medicine, the chance of accidental human exposure or environmental contamination is low. However, paraldehyde decomposes to acetaldehyde and acetic acid; these compounds have been found to be toxic. In this case, occupational exposure or environmental contamination is possible. Since paraldehyde is prepared from acetaldehyde by polymerization in the presence of an acid catalyst, there exists a potential for adverse effects, although none have been reported in the available literature. It is also used in the manufacture of organic compounds.

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