Trimethylol propane

Modify Date: 2025-08-20 19:15:27

Trimethylol propane structure	Common Name	Trimethylol propane
	CAS Number	77-99-6	Molecular Weight	58.079
	Density	0.9±0.1 g/cm3	Boiling Point	49.0±0.0 °C at 760 mmHg
	Molecular Formula	C₃H₆O	Melting Point	56-58 °C(lit.)
	MSDS	Chinese USA	Flash Point	-32.0±15.3 °C

Name	2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol
Synonym	More Synonyms

Density	0.9±0.1 g/cm3
Boiling Point	49.0±0.0 °C at 760 mmHg
Melting Point	56-58 °C(lit.)
Molecular Formula	C₃H₆O
Molecular Weight	58.079
Flash Point	-32.0±15.3 °C
Exact Mass	58.041866
PSA	60.69000
LogP	-0.24
Vapour density	4.8 (vs air)
Vapour Pressure	317.0±0.0 mmHg at 25°C
Index of Refraction	1.412
Water Solubility	soluble

Trimethylol propane MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TY6470000

CHEMICAL NAME :: 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-

CAS REGISTRY NUMBER :: 77-99-6

BEILSTEIN REFERENCE NO. :: 1698309

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C6-H14-O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 14100 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA. (Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year: 32(5),288,1967

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 13700 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA. (Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year: 32(5),288,1967 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83589 No. of Facilities: 2495 (estimated) No. of Industries: 28 No. of Occupations: 54 No. of Employees: 33290 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83589 No. of Facilities: 5573 (estimated) No. of Industries: 48 No. of Occupations: 43 No. of Employees: 74356 (estimated) No. of Female Employees: 12646 (estimated)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	1
RTECS	TY6470000
HS Code	2905410000

Precursor 9
CAS#:123-72-8 Butyraldehyde CAS#:41966-25-0 2,2-bis(hydroxy... CAS#:922-63-4 2-Ethacrolein CAS#:50-00-0 Formaldehyde
CAS#:108-30-5 Succinic anhydride CAS#:6066-82-6 N-Hydroxysuccinimide CAS#:110-89-4 Piperidine CAS#:2591-86-8 Formylpiperidine
CAS#:95461-66-8 2,2-bis(hydroxy...
DownStream 10
CAS#:107388-12-5 5-ethyl-2,2-dim... CAS#:3290-92-4 Trimethylolprop... CAS#:15196-52-8 2,2-bis(octadec... CAS#:922-63-4 2-Ethacrolein
CAS#:67-56-1 Methanol CAS#:7732-18-5 Water CAS#:20668-43-3 3-propylquinoline CAS#:22251-63-4 5-ethyl-2-pheny...
CAS#:20761-68-6 (5-ethyl-2,2-di... CAS#:22208-25-9 butanoic acid, ...

HS Code	2905410000

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Oxacyclobutane

Trimethylene oxide/Oxetane

MFCD00004694

EINECS 201-074-9

Trimethylene Oxide

TMP

Oxetane

Cyclooxabutane

2-ethyl-2-(hydroxymethyl)propane-1,3-diol

Trimethylene oxide (8CI)

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Trimethylol propane
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Trimethylol propane
Price: ￥118.0/500g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Trimethylol propane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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Trimethylol propane

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