Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Triethyl orthoformate suppliers in China
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Triethyl orthoformate
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

122-51-0

122-51-0 structure

Name: Triethyl orthoformate
Chemical Name: Triethyl orthoformate
CAS Number: 122-51-0
Molecular Formula: C₇H₁₆O₃
Molecular Weight: 148.200
Catalog: Organic raw materials Carboxylic compounds and derivatives Carboxylic esters and their derivatives
Create Date: 2018-03-27 08:00:00
Modify Date: 2026-08-02 15:02:49

Name	Triethyl orthoformate
Synonyms	orthomravencanethylnaty 1,1’,1’-(methylidynetris(oxy))tris(ethane) ETHYL ORTHOFORMATE ORTHOFORMIC ACID TRIETHYL ESTER 1,1,1-Triethoxymethane Triethylester kyseliny orthomravenci triethoxymethane Orthomravencan ethylnaty Troiethylorthoformate Ethyl orthoformate UNII:355LRR361Q Triethyl OrthofroMate(TEOF) 1-(Diethoxymethoxy)ethane TriethylOrthoFormateForSynthesis 3',1”]terphenyl-3”-boronic acid Tirethyl orthoformate Orthoformic acid, triethyl ester 4-02-00-00025 (Beilstein Handbook Reference) ortho-formic acid triethyl ester EthylOrthoformate,Certified MFCD00009230 ethyl-orthoformate TRIETHYL ORTHOFORMATE, ANHYDROUS Orthoformic acid triethyl ester ETHYL-O-FORMATE Ethane, 1,1',1''-[methylidynetris(oxy)]tris orthoformate TRIETHOXYMETHANE Triethyl orthoforMate, SuperDry, J&KSeal Triethyl orthoforMate SpcDry, WaterppM (by K.F.), SpcSeal 3',1''-Terphenyl, 4-chloro-5'-phenyl Triethyl orthoformate( , HyDry, with moleculsieves, Waterppm (by K.F.)) AETHON Ethyl Orthoformate Orthoformic Acid Triethyl Ester Triethoxymethane Orthoformic acid, triethyl ester (6CI,8CI) ETHONE Triethoxymethane, 1,1',1''-[Methanetriyltris(oxy)]triethane triethylorthoformate TEOF TRIETHYL ORTHOFORMATE Ethyl Orthopropionate triethylesterkyselinyorthomravenci Triethyl Orthopropionate orthoformicacid,ethylester Triethyl orthoformate( , HyDry, Waterppm (by K.F.)) 1,1’,1’’-[methylidynetris(oxy)]tris-Ethane 1,1’,1’’-[methylidynetris(oxy)]tris-ethan Ethane,1,1’,1’’-[methylidynetris(oxy)]tris Triethyl orthoforMate anhydrous, AcroSeal 1,1,1-TRIETHOXYMETHANE EINECS 204-550-4 Orthopropionic Acid Triethyl Ester L-GlutaMine-α-Ketoglutate(2:1 Ethyl formate(ortho) TRIETHYL-O-FORMATE TRIETHYL ORTHOFORMATE ANHYDROUS (Diethoxymethoxy)ethane Formylolate 1,1,1-Triethoxypropane triethyl ortho formate TRIETHYL ORTHOFORMATE, TRIETHYL ORTHOFORMATE, TRIETHYL ORTHOFORMATE, TRIETHYL ORTHOFORMATE Orthoformic acid ethyl ester Ethyl orthoformate [UN2524] [Flammable liquid] Triethyl ester of Orthoformic acid 1,1',1''-[methanetriyltris(oxy)]triethane 1,1' ethylesterkyselinyorthomravenci 16GTRIETHYL ORTHOFORMATE Methane, triethoxy Ethylester kyseliny orthomravenci Triethoxmethane 4',1''-Terphenyl, 2,3'',4'',5''-tetrafluoro-4-propyl triethoxy-methan TriethylOrthoFormate(Teof) 1,1',1'-(Methylidynetris(oxy))tris(ethane) Triethyl orthoformate SuperDry, waterppm, J&KSeal ortho-formic

Density	0.9±0.1 g/cm3
Boiling Point	142.5±0.0 °C at 760 mmHg
Melting Point	−76 °C(lit.)
Molecular Formula	C₇H₁₆O₃
Molecular Weight	148.200
Flash Point	30.0±0.0 °C
Exact Mass	148.109940
PSA	27.69000
LogP	2.14
Vapour density	5.11 (vs air)
Vapour Pressure	7.0±0.2 mmHg at 25°C
Index of Refraction	1.400
Water Solubility	1.35 g/L

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RM6475000

CHEMICAL NAME :: Orthoformic acid, triethyl ester

CAS REGISTRY NUMBER :: 122-51-0

BEILSTEIN REFERENCE NO. :: 0605384

LAST UPDATED :: 199806

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C7-H16-O3

MOLECULAR WEIGHT :: 148.23

WISWESSER LINE NOTATION :: 2OYO2&O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,352,1986

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,352,1986 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 7060 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4000 ppm/8H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 20 mL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: >10 mL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,917,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84005 No. of Facilities: 5 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 20 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84005 No. of Facilities: 17 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1582 (estimated) No. of Female Employees: 323 (estimated)

Symbol	GHS02
Signal Word	Warning
Hazard Statements	H226
Precautionary Statements	P210-P403 + P235
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi:Irritant
Risk Phrases	R10;R36/38
Safety Phrases	S16-S26-S37/39
RIDADR	UN 2524 3/PG 3
WGK Germany	1
RTECS	RM6475000
Packaging Group	III
Hazard Class	3
HS Code	2915130000

Precursor 10
64-17-5 67-66-3 149-73-5 26275-64-9
74-90-8 5780-15-4 77287-34-4 141-82-2
6780-49-0 7647-01-0
DownStream 10
110089-43-5 10602-34-3 104907-89-3 825-56-9
106875-46-1 111232-66-7 110559-80-3 105705-42-8
106050-81-1 64-17-5

HS Code	2909199090
Summary	2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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