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Substance Name: Hexamethyldisilazane
RN: 999-97-3
UNII: H36C68P1BH
InChIKey: FFUAGWLWBBFQJT-UHFFFAOYSA-N
Classification Codes
- Fixatives
- Skin / Eye Irritant
- Tumor Data
Molecular Formula
- C6-H19-N-Si2
Molecular Weight
- 161.395
- All
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
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Names and Synonyms
Name of Substance
- Hexamethyldisilazane
- Hexamethylsilazane
Synonyms
- 1,1,1,3,3,3-Hexamethyldisilazane
- 1,1,1-Trimethyl-N-(trimethylsilyl)silanamine
- AI3-51467
- Bis(trimethylsilyl)amine
- CCRIS 2456
- EC 213-668-5
- EINECS 213-668-5
- Hexamethyldisilazane
- Hexamethylsilazane
- HMDS
- HSDB 7226
- NSC 93895
- OAP
- SZ 6079
- Tri-Sil
- TSL 8802
- UNII-H36C68P1BH
Systematic Names
- 1,1,1,3,3,3-Hexamethyldisilazane
- 1,1,1-Trimethyl-N-(trimethylsilyl)silanamine
- Disilazane, 1,1,1,3,3,3-hexamethyl-
- Hexamethyldisilazane
- Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-
Superlist Name
- Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-
Registry Numbers
CAS Registry Number
- 999-97-3
FDA UNII
- H36C68P1BH
Other Registry Numbers
- 103737-28-6
- 116638-29-0
- 127290-38-4
- 18186-75-9
- 761458-30-4
Related Registry Numbers
- 1070-89-9 (hydrochloride salt)
- 1070-89-9 (Na salt)
- 4039-32-1 (lithium salt)
System Generated Number
- 0000999973
Structure Descriptors
InChI
InChI=1S/C6H19NSi2/c1-8(2,3)7-9(4,5)6/h7H,1-6H3InChIKey
FFUAGWLWBBFQJT-UHFFFAOYSA-NSmiles
C[Si](C)Toxicity
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
guinea pig | LD50 | skin | 1mL/kg (1mL/kg) | BEHAVIORAL: MUSCLE WEAKNESS BEHAVIORAL: TREMOR SKIN AND APPENDAGES (SKIN): HAIR: OTHER | National Technical Information Service. Vol. OTS0537734, |
mouse | LC50 | inhalation | 12gm/m3/2H (12000mg/m3) | BEHAVIORAL: GENERAL ANESTHETIC LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION CARDIAC: PULSE RATE | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(5), Pg. 52, 1986. |
mouse | LD50 | intravenous | > 100mg/kg (100mg/kg) | Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974, | |
mouse | LD50 | oral | 850mg/kg (850mg/kg) | LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION CARDIAC: PULSE RATE BEHAVIORAL: GENERAL ANESTHETIC | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(5), Pg. 52, 1986. |
mouse | LDLo | intraperitoneal | 650mg/kg (650mg/kg) | IMMUNOLOGICAL INCLUDING ALLERGIC: DECREASED IMMUNE RESPONSE | Personal Communication from G.D. Stoner, Dept. of Community Medicine, School of Medicine, Univ. of California, La Jolla, CA 92037, May 25, 1975Vol. 27MAY1975, |
rabbit | LD50 | oral | 1100mg/kg (1100mg/kg) | LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION CARDIAC: PULSE RATE BEHAVIORAL: GENERAL ANESTHETIC | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(5), Pg. 52, 1986. |
rabbit | LD50 | skin | 710uL/kg (0.71mL/kg) | GASTROINTESTINAL: OTHER CHANGES BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 12, Pg. 576, 1993. |
rat | LC50 | inhalation | 8700mg/m3/4H (8700mg/m3) | CARDIAC: PULSE RATE BEHAVIORAL: GENERAL ANESTHETIC LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(5), Pg. 52, 1986. |
rat | LD50 | intraperitoneal | 800mg/kg (800mg/kg) | SKIN AND APPENDAGES (SKIN): HAIR: OTHER BEHAVIORAL: MUSCLE WEAKNESS BEHAVIORAL: TREMOR | National Technical Information Service. Vol. OTS0537734, |
rat | LD50 | oral | 850mg/kg (850mg/kg) | LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION CARDIAC: PULSE RATE BEHAVIORAL: GENERAL ANESTHETIC | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(5), Pg. 52, 1986. |
Physical Properties
Physical Property | Value | Units | Temp (deg C) | Source |
---|---|---|---|---|
Boiling Point | 125 | deg C | EXP | |
log P (octanol-water) | 2.620 | (none) | EST | |
Water Solubility | 392 | mg/L | 25 | EST |
Vapor Pressure | 13.8 | mm Hg | 25 | EXP |
Henry's Law Constant | 8.69E-05 | atm-m3/mole | 25 | EST |
Atmospheric OH Rate Constant | 8.98E-13 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.