2,2,4-Trimethyl-1,3-pentanediol
- Product Name
- 2,2,4-Trimethyl-1,3-pentanediol
- CAS No.
- 144-19-4
- Chemical Name
- 2,2,4-Trimethyl-1,3-pentanediol
- Synonyms
- TMPD GLYCOL;tmpd(alcohol);UNII:WT1X081P0L;Trimethylpentanediol;2,2,4-Trimethylpentandiol;TRIMETHYL-1,3-PENTANEDIOL;1,3-PENTANEDIOL,2,2,4-TRIME;2,2,4-trimethyl-3-pentanediol;2,2,4-TriMethyl-1,3-pentandiol;3-Pentanediol,2,2,4-trimethyl-1
- CBNumber
- CB4711551
- Molecular Formula
- C8H18O2
- Formula Weight
- 146.23
- MOL File
- 144-19-4.mol
2,2,4-Trimethyl-1,3-pentanediol Property
- Melting point:
- 50-53 °C (lit.)
- Boiling point:
- 232 °C (lit.)
- Density
- 0,937 g/cm3
- vapor pressure
- 0.314Pa at 20℃
- refractive index
- 1.4513
- Flash point:
- >230 °F
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- Chloroform, Methanol
- form
- Solid
- pka
- 14.81±0.20(Predicted)
- color
- Off-White
- Water Solubility
- 31.5g/L at 20℃
- BRN
- 1698098
- InChIKey
- JCTXKRPTIMZBJT-UHFFFAOYSA-N
- LogP
- 1.25 at 22℃
- CAS DataBase Reference
- 144-19-4(CAS DataBase Reference)
- NIST Chemistry Reference
- 1,3-Pentanediol, 2,2,4-trimethyl-(144-19-4)
- EPA Substance Registry System
- 2,2,4-Trimethyl-1,3-pentanediol (144-19-4)
Safety
- Hazard Codes
- Xi
- Risk Statements
- 36/37/38
- Safety Statements
- 26-37/39
- WGK Germany
- 1
- RTECS
- SA1400000
- TSCA
- Yes
- HS Code
- 2905.39.9000
- Hazardous Substances Data
- 144-19-4(Hazardous Substances Data)
- Toxicity
- guinea pig,LD50,oral,2gm/kg (2000mg/kg),Toxicology and Applied Pharmacology. Vol. 29, Pg. 87, 1974.
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 327220
- Product name
- 2,2,4-Trimethyl-1,3-pentanediol
- Purity
- 97%
- Packaging
- 1kg
- Price
- $56
- Updated
- 2024/03/01
- Product number
- T0483
- Product name
- 2,2,4-Trimethyl-1,3-pentanediol
- Purity
- >97.0%(GC)
- Packaging
- 25g
- Price
- $29
- Updated
- 2024/03/01
- Product number
- T0483
- Product name
- 2,2,4-Trimethyl-1,3-pentanediol
- Purity
- >97.0%(GC)
- Packaging
- 500g
- Price
- $151
- Updated
- 2024/03/01
- Product number
- B21328
- Product name
- 2,2,4-Trimethyl-1,3-pentanediol, 94%
- Packaging
- 10g
- Price
- $33.6
- Updated
- 2021/12/16
- Product number
- T796570
- Product name
- 2,2,4-Trimethyl-1,3-pentanediol
- Packaging
- 50g
- Price
- $65
- Updated
- 2021/12/16
2,2,4-Trimethyl-1,3-pentanediol Chemical Properties,Usage,Production
Chemical Properties
2,2,4-Trimethyl-1,3-pentanediol is a somewhat volatile liquid.
Chemical Properties
(96% pure): White solid. Slightly soluble in water; soluble in alcohol, acetone, ether, and benzene. Combustible.
Uses
Main uses of 2,2,4-Trimethyl-1,3-pentanediol are as a component of polyester resins used in food packaging and as an insect repellent. Industrial exposure is likely to be by direct contact with the liquid. Vapors or mists may be encountered under some conditions.
Uses
2,2,4-Trimethyl-1,3-pentanediol is used in the synthesis of monoisobutyrate derivatives used in film forming auxilleries in paint substances.
Uses
Polyester resins, plasticizers, lubricants, surface coatings and printing inks, insect repellent.
Production Methods
2,2,4-Trimethyl-1,3-pentanediol is made by reacting isobutyryl chloride with ethyl isobutyrate.
Definition
2,2,4-Trimethyl-1,3-pentanediol (TMPD) glycol, with one primary and one secondary hydroxyl function, shows the typical reactivity of a diol. In comparison to other diols, such as 1,4-cyclohexanedimethanol) or NPG (Neopentyl glycol), TMPD glycol has an unsymmetrical structure and shielded hydroxyl groups.
Flammability and Explosibility
Non flammable
Toxicology
2,2,4-trimethyl-1,3-pentanediol (TMPD Glycol) is classified as "slightly toxic". In rabbits, moderate eye irritation was observed. Slight to no skin irritation occurred in guinea pigs, and no skin sensitization was found. Repeated skin application studies in humans gave no evidence of irritation, sensitization, photosensitization, or systemic toxic effects. In humans, TMPD glycol is rapidly excreted in the urine, partly unchanged, partly as the glucuronide and sulfate conjugates, and partly as 2,2,4-trimethyl-3-hydroxyvaleric acid. LD50 2000 (rat, oral), LD50 145 (rat, intravenous).
2,2,4-Trimethyl-1,3-pentanediol Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 2,2,4-Trimethyl-1,3-pentanediol manufacturers
- Product
- 2,2,4-Trimethyl-1,3-pentanediol 144-19-4
- Price
- US $5.00-2.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10000kg
- Release date
- 2024-08-23
- Product
- 2,2,4-Trimethyl-1,3-pentanediol 144-19-4
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2019-12-26
- Product
- 2,2,4-Trimethyl-1,3-pentanediol 144-19-4
- Price
- US $1.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- Customized
- Release date
- 2018-12-22