Heptamethyldisilazane

Chemical Properties

Boiling point	144-147 °C(lit.)
Density	0.799 g/mL at 20 °C(lit.)
refractive index	n20/D 1.421(lit.)
Flash point	27 °C
storage temp.	Flammables area
pka	14.41±0.70(Predicted)
form	clear liquid
color	Colorless to Almost colorless
Specific Gravity	0.798
Water Solubility	Decomposes
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
Sensitive	Moisture Sensitive
BRN	1737290
CAS DataBase Reference	920-68-3(CAS DataBase Reference)
EPA Substance Registry System	Silanamine, N,1,1,1-tetramethyl-N-(trimethylsilyl)- (920-68-3)

Symbol(GHS)

Signal word

Warning

Hazard statements

H226-H315-H319-H335

Precautionary statements

P210-P302+P352-P305+P351+P338

Hazard Codes

Risk Statements

Safety Statements

RIDADR

UN 1993 3/PG 3

WGK Germany

TSCA

Yes

HazardClass

PackingGroup

III

HS Code

29319090

NFPA 704:

Product number	Packaging	Price	Product description	Buy
Sigma-Aldrich 15235	50ml	$129	N,N-Bis(trimethylsilyl)methylamine for GC derivatization, ≥97.0% (GC)	Buy
TCI Chemical H0954	25mL	$54	Heptamethyldisilazane >96.0%(GC)	Buy
Biosynth Carbosynth FB35210	10g	$60	N,N-Bis(trimethylsilyl)methylamine	Buy
SynQuest Laboratories 7188-1-07	100g	$80	Heptamethyldisilazane	Buy
Biosynth Carbosynth FB35210	25g	$100	N,N-Bis(trimethylsilyl)methylamine	Buy

Supplier	Tel	Email	Country	ProdList	Advantage
LY Global chemicals co.,ltd .	+8618939937369	info@lychems.cn	China	969	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-81148696 +86-15536356810	1022@dideu.com	China	3882	58
Hebei Yanxi Chemical Co., Ltd.	+8617531190177	peter@yan-xi.com	China	5858	58
Hebei Weibang Biotechnology Co., Ltd	+8617732866630	bess@weibangbio.com	China	18166	58
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	32820	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29885	58
Kingfirst chemical (nanjing) co.,ltd	86-25-84522992	marketing@kingfirstchem.com	CHINA	95	58
Chongqing Chemdad Co., Ltd	+86-023-6139-8061 +86-86-13650506873	sales@chemdad.com	China	39894	58
BEYOND INDUSTRIES (CHINA) LIMITED	+86-21-52699951; +8613917686115	sales@beyondindustriesgroup.com	China	699	58
Hebei Mojin Biotechnology Co., Ltd	+86 13288715578 +8613288715578	sales@hbmojin.com	China	12837	58