γ-발레로 락톤

1.057 at 68 °F (NTP, 1992) - Denser than water; will sink

1.047-1.054

greater than or equal to 100 mg/mL at 72 °F (NTP, 1992)

miscible with alcohol, most fixed oils and water

(in ethanol)

405 to 406 °F at 760 mmHg (NTP, 1992)

207.00 to 208.00 °C. @ 760.00 mm Hg

207 °C

-24 °F (NTP, 1992)

-31 °C

This chemical does not meet GHS hazard criteria for 96.7% (1420 of 1469) of all reports.

Not Classified

Aggregated GHS information provided per 1469 reports by companies from 9 notifications to the ECHA C&L Inventory.

Chemical: 2(3H)-Furanone, dihydro-5-methyl-

Regulation (EC) No 1831/2003 (amended)

Status: Active Update: 15-10-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/33023

2(3H)-Furanone, dihydro-5-methyl-: Does not have an individual approval but may be used under an appropriate group standard

A mild skin irritant; Causes general anesthesia in oral lethal-dose studies of rabbits and rats; [RTECS] A skin, eye, mucous membrane, and upper respiratory tract irritant; [NTP] Safe when used as a flavoring agent in food; [JECFA] An irritant; [Alfa Aesar MSDS] See Butyrolactones.

GAMMA-VALEROLACTONE is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides. This chemical is incompatible with strong oxidizers. (NTP, 1992). This chemical is incompatible with strong oxidizing agents. It is also incompatible with strong acids, strong bases and strong reducing agents. (NTP, 1992).

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

SMALL SPILLS AND LEAKAGE: If you should spill this chemical, use absorbent paper to pick up all liquid spill material. Seal the absorbent paper, as well as any of your clothing which may be contaminated, in a vapor-tight plastic bag for eventual disposal. Wash any surfaces you may have contaminated with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)

A metabolite of n-hexane; [ChemIDplus] Used as flavoring agent or adjuvant; [FDA] A constituent of crude polyligneous acid; Used in dye bathes (coupling agent), brake fluid, cutting oils, and as a solvent for adhesives, insecticides, and lacquers; [NTP]

Metal Machining [Category: Heat or Machine]

Fragrance Ingredients

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Flavoring Agents -> JECFA Flavorings Index