Shanghai Nianxing Industrial Co., Ltd
China
Product Name: N,N,N-Trimethylmethanaminium tetrahydroborate
Price: Check
Purity: 90.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: N,N,N-Trimethylmethanaminium tetrahydroborate
Price: ￥488.0/5g
Purity: 95.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

16883-45-7

16883-45-7 structure

16883-45-7 structure

Name: N,N,N-Trimethylmethanaminium tetrahydroborate
Chemical Name: Tetramethylammonium borohydride
CAS Number: 16883-45-7
Molecular Formula: C₄H₁₅BN
Molecular Weight: 88.988
Catalog: Chemical reagent Organic reagent Barium salt
Create Date: 2018-06-19 20:06:05
Modify Date: 2025-08-20 15:19:56

Name	Tetramethylammonium borohydride
Synonyms	tetramethylammoniumborohydrate tetramethylammonium tetrahydroborate EINECS 240-917-5 MFCD00011778 Tetramethyl-ammonium,Tetrahydridoborat BISMUTH(III) SUBNITRATE N,N,N-Trimethylmethanaminium tetrahydroborate TMAB tetramethyl-ammonium,tetrahydrido borate Tetramethylammonium Borohydride Tetramethylammoniumborohydride Tetra-methyl ammonium boron hydride

Density	0.81
Boiling Point	205ºC at 760mmHg
Melting Point	150ºC (dec.)
Molecular Formula	C₄H₁₅BN
Molecular Weight	88.988
Flash Point	72.8ºC
Exact Mass	89.137581
Appearance	crystal \| white
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: BS8310000

CHEMICAL NAME :: Ammonium, tetramethyl-, tetrahydroborate(1-)

CAS REGISTRY NUMBER :: 16883-45-7

LAST UPDATED :: 199701

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C4-H12-N.B-H4

MOLECULAR WEIGHT :: 89.02

WISWESSER LINE NOTATION :: 1K1&1&1 &.B-H4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: ORNL-5576

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: ORNL-5576

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: ORNL-5576 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 77 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: ORNL-5576

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 67 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: ORNL-5576

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

ROUTE OF EXPOSURE :: Intratracheal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 31 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: ORNL-5576

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Behavioral - coma

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: ORNL-5576

Hazard Codes	F:Flammable;T:Toxic;
Risk Phrases	R15;R25;R36/38
Safety Phrases	S26-S36/37/39-S43-S45
RIDADR	UN 3134
WGK Germany	3
RTECS	BS8310000
Hazard Class	4.3

Precursor 4
75-59-2 16940-66-2 75-57-0 64-20-0
DownStream 2
75-22-9 109704-53-2

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