Isobutyl formate
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Isobutyl formate
structure -
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CAS No:
542-55-2
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Formula:
C5H10O2
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Chemical Name:
Isobutyl formate
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Synonyms:
Formic acid,2-methylpropyl ester;Formic acid,isobutyl ester;Tetryl formate;2-Methylpropyl formate;Isobutyl formate;NSC 6968;Iso-butyl methanoate
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CAS No:
Description
Isobutyl formate has a fruity, ether-like odor and a sweet taste reminiscent of rum. CLEAR COLOURLESS TO LIGHT YELLOW LIQUID
Isobutyl formate appears as a colorless liquid. Less dense than water. Vapors heavier than air. Vapors may be narcotic and irritating in high concentrations. Used as a solvent and to make perfumes.|Liquid|colourless to pale yellow liquid with a fruity, ethereal odour
Isobutyl formate appears as a colorless liquid. Less dense than water. Vapors heavier than air. Vapors may be narcotic and irritating in high concentrations. Used as a solvent and to make perfumes.|2-Methylpropyl formate is a carboxylic ester.
Isobutyl formate Basic Attributes
102.13
102.13
208-818-1
6OCL1KXH0Q
6968
2393
DTXSID7060257
2915120000
Characteristics
26.30000
1.45130
Isobutyl formate appears as a colorless liquid. Less dense than water. Vapors heavier than air. Vapors may be narcotic and irritating in high concentrations. Used as a solvent and to make perfumes.
0.90660 g/cm3 @ Temp: 0 °C
-95.8 °C
98.2 °C
50 °F
n20/D 1.385(lit.)
10.2 mg/mL at 25 °C
Flammables area
40.08 mmHg
3.52 (vs air)
Oral-Rabbit LD50: 3064 mg/kg
Inflammable in case of open flame, high temperature, oxidant; burning produces irritating smoke
8.9%
Highly flammable. Soluble in water.
Esters, Sulfate Esters, Phosphate Esters, Thiophosphate Esters, and Borate Esters
Highly Flammable
ISOBUTYL FORMATE 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.
Safety Information
II
3.1
UN 2393 3/PG 2
2
11-34-36/37
16-26-33-36/37/39-45-24-9
LQ8650000
F,C,Xi
Treasury is ventilated, low temperature and dry; stored separately from oxidant
Explosive when mixed with air
P210-P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313-P403 + P235
H225-H319-H335
Excerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]: HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Those substances designated with a (P) may polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water. (ERG, 2016)|Flammable - 3rd degree
|Danger|H225 (98.55%): Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P312, P337+P313, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 1656 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H225: Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501
Excerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]: CAUTION: All these products have a very low flash point: Use of water spray when fighting fire may be inefficient. SMALL FIRE: Dry chemical, CO2, water spray or alcohol-resistant foam. Do not use dry chemical extinguishers to control fires involving nitromethane (UN1261) or nitroethane (UN2842). LARGE FIRE: Water spray, fog or alcohol-resistant foam. Do not use straight streams. Move containers from fire area if you can do it without risk. FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn. (ERG, 2016)
Excerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]: As an immediate precautionary measure, isolate spill or leak area for at least 50 meters (150 feet) in all directions. LARGE SPILL: Consider initial downwind evacuation for at least 300 meters (1000 feet). FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2016)
Excerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]: ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). All equipment used when handling the product must be grounded. Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. A vapor-suppressing foam may be used to reduce vapors. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. Use clean, non-sparking tools to collect absorbed material. LARGE SPILL: Dike far ahead of liquid spill for later disposal. Water spray may reduce vapor, but may not prevent ignition in closed spaces. (ERG, 2016)
Excerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]: Wear positive pressure self-contained breathing apparatus (SCBA). Structural firefighters' protective clothing will only provide limited protection. (ERG, 2016)
Drug Information
Excerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]: May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution. (ERG, 2016)
Excerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]: Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. Wash skin with soap and water. In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to skin. Keep victim calm and warm. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. (ERG, 2016)
Isobutyl formate Use and Manufacturing
It is prepared by isobutyric acid and carbon monoxide in the presence of sodium isobutyrate at 110°C and 40.53MPa.
Spices for food.
Formic acid, 2-methylpropyl ester: ACTIVE
Food additives -> Flavoring Agents|Flavoring Agents -> JECFA Flavorings Index|Fire Hazards -> Flammable - 3rd degree
Flavoring Agents
Computed Properties
Molecular Weight:102.13
XLogP3:1.5
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:3
Exact Mass:102.068079557
Monoisotopic Mass:102.068079557
Topological Polar Surface Area:26.3
Heavy Atom Count:7
Complexity:50
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
Recommended Suppliers of Isobutyl formate
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