Tetramethylammonium hydroxide

Modify Date: 2025-08-20 15:30:36

Tetramethylammonium hydroxide structure	Common Name	Tetramethylammonium hydroxide
	CAS Number	75-59-2	Molecular Weight	91.152
	Density	0.866 g/mL at 25 °C	Boiling Point	110 °C
	Molecular Formula	C₄H₁₃NO	Melting Point	°C
	MSDS	Chinese	Flash Point	80 °F
	Symbol	GHS02, GHS05, GHS06, GHS08, GHS09	Signal Word	Danger

Name	Tetramethylammonium hydroxide
Synonym	More Synonyms

Density	0.866 g/mL at 25 °C
Boiling Point	110 °C
Melting Point	°C
Molecular Formula	C₄H₁₃NO
Molecular Weight	91.152
Flash Point	80 °F
Exact Mass	91.099716
PSA	23.06000
LogP	0.14560
Vapour Pressure	17.5 mm Hg ( 20 °C)
Index of Refraction	n20/D 1.384
Storage condition	2-8°C
Stability	Stable. Flammable. Incompatible with strong oxidizing agents, strong acids.

Tetramethylammonium hydroxide MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: PA0875000

CHEMICAL NAME :: Methanaminium, N,N,N-trimethyl-, hydroxide

CAS REGISTRY NUMBER :: 75-59-2

LAST UPDATED :: 199710

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C4-H12-N.H-O

MOLECULAR WEIGHT :: 91.18

WISWESSER LINE NOTATION :: 1K1&1&1 &Q

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 19 mg/kg

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

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 28,367,1926

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1 mg/kg

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

REFERENCE :: 85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948 Volume(issue)/page/year: -,688,1948

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 25 mg/kg

TOXIC EFFECTS :: Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570994

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Parenteral

SPECIES OBSERVED :: Amphibian - frog

DOSE/DURATION :: 5 mg/kg

TOXIC EFFECTS :: Vascular - BP elevation not characterized in autonomic section

REFERENCE :: 85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948 Volume(issue)/page/year: -,688,1948

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Amphibian - frog

DOSE/DURATION :: 1515 ug/kg

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

REFERENCE :: 85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948 Volume(issue)/page/year: -,681,1948 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1009 No. of Facilities: 48 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 48 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1009 No. of Facilities: 105 (estimated) No. of Industries: 6 No. of Occupations: 16 No. of Employees: 6413 (estimated) No. of Female Employees: 1446 (estimated)

Symbol	GHS02, GHS05, GHS06, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H226-H300 + H310-H314-H331-H370-H372-H411
Precautionary Statements	P260-P264-P273-P280-P301 + P310-P302 + P350
Target Organs	Liver, thymus gland
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	T:Toxic; C:Corrosive;
Risk Phrases	R20/21/22;R34
Safety Phrases	S45-S36/37/39-S26-S16-S36/37
RIDADR	UN 3286 3/PG 2
WGK Germany	1
RTECS	PA0875000
Packaging Group	II
Hazard Class	3
HS Code	2923900090

Precursor 10
CAS#:67-56-1 Methanol CAS#:616-38-6 Dimethyl Carbonate CAS#:75-50-3 Trimethylamine CAS#:64-20-0 Tetramethylammo...
CAS#:58345-96-3 Tetramethylammo... CAS#:74-88-4 methyl iodide CAS#:74-83-9 Methyl bromide CAS#:124-40-3 Dimethylamine
CAS#:598-58-3 methyl nitrate CAS#:74-89-5 methylamine
DownStream 10
CAS#:58345-96-3 Tetramethylammo... CAS#:373-68-2 N,N,N-Trimethyl... CAS#:3983-91-3 4-methylbenzene... CAS#:1474-53-9 17-β-ESTRADIOL ...
CAS#:92180-79-5 2-AMINO-3,7,8-T... CAS#:19143-67-0 2-amino-3,7-dim... CAS#:42484-34-4 2-amino-1,9-dim... CAS#:26758-00-9 1,7-Dimethylguanine
CAS#:61580-66-3 6-methoxy-9-met... CAS#:18346-04-8 7H-Purine, 7-methyl-

HS Code	2923900090
Summary	2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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AR-300-49

tetreamethyl ammonium hydroxide

nmw-w

MFCD00008280

TMAH

TRITONNE

Developer

ocg945

TMNOH

AZ-300MIF

AZ-726

nmd3

EINECS 200-882-9

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

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Tetramethylammonium hydroxide
Price: ￥258.0/500ml ￥78.0/100ml
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

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

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