Hexamethyldisilazane
2 Inquiries
999-97-3
99%
SHANGHAI
JINGHUI
25kgs/tin
2022-12-15
Fluorine containing fine chemicals Pharmaceutical
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
Hexamethyldisilazane
Other Name:Silanamine,1,1,1-trimethyl-N-(trimethylsilyl)-;Disilazane,1,1,1,3,3,3-hexamethyl-;1,1,1-Trimethyl-N-(trimethylsilyl)silanamine;1,1,1,3,3,3-Hexamethyldisilazane;Bis(trimethylsilyl)amine;Hexamethyldisilazane;OAP;Di(trimethylsilyl)amine;SZ 6079;HMDS;Hexamethyldisilylamine;HMDS (silazane);TSL 8802;LS 7150;HMDS 3;TSR 8802;SE 31;SE 31 (silazane);NSC 93895;A 166;A 166 (silazane);HMD 3;Z 6079;Dynasylan HMDS;SIH 6110.1;Dow Corning 4-2839;SZ 31;12058-1A;Silazan HMN;H 0089;HMDZ;HMDS 1;[Dimethyl-(trimethylsilylamino)silyl]methane;DN-L 69;18186-75-9;103737-28-6;116638-29-0;127290-38-4;761458-30-4
CAS No.:999-97-3
Molecular Formula:C6H19NSi2
InChIKeys:InChIKey=FFUAGWLWBBFQJT-UHFFFAOYSA-N
Molecular Weight:161.395
Exact Mass:161.39
EC Number:213-668-5
UNII:H36C68P1BH
NSC Number:252161|93895
UN Number:2924|2920
DSSTox ID:DTXSID2025395
Color/Form:Colorless liquid
HScode:2929909090
Categories:
Characteristics-
PSA:
12
XLogP3:2.62 /Estimated/
Appearance:Hexamethyl disilazane appears as a liquid. May be toxic by ingestion. Irritates skin and eyes. Vapors are heavier than air. May emit highly toxic nitrogen oxide fumes when heated to decomposition. Used to make other chemicals.
Density:0.7741 g/cm3 @ Temp: 25 °C
Melting Point:-78 °C
Boiling Point:125 °C
Flash Point:14 deg C (closed cup) /from table/
Refractive Index:1.4069-1.4089
Water Solubility:In water, 392 mg/l @ 25 deg C /Estimated/
Storage Conditions:2-8ºC
Vapor Pressure:20 hPa (20 °C)
Toxicity:LDLO i.p. in mice: 650 mg/kg (Petrarch Systems Inc. Product Information Sheets)
Odor:Ammonia-like odor
Henrys Law Constant:Henry's Law constant = 8.69X10-5 atm cu-m/mol at 25 °C /Estimated/
Dissociation Constants:pKa = 7.55
Experimental Properties:Dielectric constant (1000 Hz) = 2.27|Hydroxyl radical reaction rate constant = 8.98X10-13 cu-cm/molc sec /Estimated/
Air and Water Reactions:Highly flammable. Moisture sensitive.
Reactive Group:Reducing Agents, Strong
Reactivity Alerts:Highly Flammable
Reactivity Profile:HEXAMETHYL DISILAZANE reacts with many carbonyl-containing organic compounds to generate gaseous ammonia. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with stronger reducing agents, such as hydrides.
Autoignition Temperature:325 °C at 1013 hPa
Hazard IdentificationClassification of the substance or mixture
Flammable liquids, Category 2
Acute toxicity - Category 4, Oral
Acute toxicity - Category 3, Dermal
Acute toxicity - Category 4, Inhalation
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H225 Highly flammable liquid and vapour
H302 Harmful if swallowed
H311 Toxic in contact with skin
H332 Harmful if inhaled
H412 Harmful to aquatic life with long lasting effects
Precautionary statement(s) Prevention P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment.
P242 Use non-sparking tools.
P243 Take action to prevent static discharges.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
Response P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower].
P370+P378 In case of fire: Use ... to extinguish.
P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P316 Get emergency medical help immediately.
P321 Specific treatment (see ... on this label).
P361+P364 Take off immediately all contaminated clothing and wash it before reuse.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P317 Get medical help.
Storage P403+P235 Store in a well-ventilated place. Keep cool.
P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
Fluorine containing fine chemicals Pharmaceutical
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Location:
ADDRESS: NO.2350,DU ZHUANG ROAD, MINGHANG DISTRICT, SHANGHAI, CHINA
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Payment Terms:
TT against copy of documents,100% TT in advance
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Average lead Time:
30
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
11-50
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Year of Establishment:
2009
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Inquiry History2 Inquiries
Country Product Purchase Quantity Date Posted 
Singapore
HMDS
1 40' Fcl Jun 12, 2024 
Pakistan
Hexamethyl Disilazane
1000 KG Aug 1, 2024 Post an enquiry for this product