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Tetramethylammonium hydroxide

Names

[ CAS No. ]:
75-59-2

[ Name ]:
Tetramethylammonium hydroxide

[Synonym ]:
AR-300-49
tetreamethyl ammonium hydroxide
nmw-w
MFCD00008280
TMAH
TRITONNE
Developer
ocg945
TMNOH
AZ-300MIF
AZ-726
nmd3
EINECS 200-882-9

Chemical & Physical Properties

[ 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.

MSDS

Toxicological Information

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)

Safety Information

[ 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

Synthetic Route

Precursor & DownStream

Customs

[ 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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