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MSDS 
:
 N,O-Bis(trimethylsilyl)hydroxylamine, 97%
CAS 
:
 
SYNONYMS 
:
 
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| | | | unlisted |
|----------------|--------------------------------------|----------|-----------|
| 22737-37-7 |N,O-Bis(trimethylsilyl)hydroxylamine | 97 | 245-188-7 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: C
Risk Phrases: 10 34 48

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Flammable. Causes burns. Danger of serious damage to health by
prolonged exposure.

Potential Health Effects
Eye:
Causes eye burns. May cause chemical conjunctivitis and corneal
damage.
Skin:
Causes skin burns. May cause cyanosis of the extremities. May cause
skin rash (in milder cases), and cold and clammy skin with cyanosis
or pale color.
Ingestion:
May cause severe and permanent damage to the digestive tract. Causes
gastrointestinal tract burns. May cause perforation of the digestive
tract. May cause cardiac disturbances. May cause methemoglobinemia,
cyanosis (bluish discoloration of skin due to deficient oxygenation
of the blood), convulsions, and death. Ingestion of large amounts
may cause CNS depression. May cause systemic effects.
Inhalation:
May cause methemoglobinemia, cyanosis (bluish discoloration of skin
due to deficient oxygenation of the blood), convulsions,
tachycardia, dyspnea (labored breathing), and death. Causes chemical
burns to the respiratory tract. Aspiration may lead to pulmonary
edema. Vapors may cause dizziness or suffocation. May cause cardiac
abnormalities. May cause systemic effects. Inhalation at high
concentrations may cause CNS depression and asphixiation. May cause
burning sensation in the chest.
Chronic:
May cause methemoglobinemia, which is characterized by
chocolate-brown colored blood, headache, weakness, dizziness, breath
shortness, cyanosis (bluish skin due to deficient oxygenation of
blood), rapid heart rate, unconsciousness and possible death. Effects
may be delayed.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
Get medical aid immediately. Do NOT allow victim to rub eyes or keep
eyes closed. Extensive irrigation with water is required (at least 30
minutes).
Skin:
Get medical aid immediately. Immediately flush skin with plenty of
water for at least 15 minutes while removing contaminated clothing
and shoes. Wash clothing before reuse. Destroy contaminated shoes.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical
aid immediately. Do NOT induce vomiting. If conscious and alert,
rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen. Do NOT use mouth-to-mouth
resuscitation. If breathing has ceased apply artificial respiration
using oxygen and a suitable mechanical device such as a bag and a
mask.
Notes to Physician:
For methemoglobinemia, administer oxygen alone or with Methylene
Blue depending on the methemoglobin concentration in the blood.
Antidote:
Methylene blue, alone or in combination with oxygen is indicated as
a treatment in nitrite induced methemoglobinemia.

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. Vapors may form an explosive mixture with air.
Vapors can travel to a source of ignition and flash back. During a
fire, irritating and highly toxic gases may be generated by thermal
decomposition or combustion. Will burn if involved in a fire. Use
water spray to keep fire-exposed containers cool. Containers may
explode in the heat of a fire. Flammable liquid and vapor. Vapors
may be heavier than air. They can spread along the ground and
collect in low or confined areas. Contact with metals may evolve
flammable hydrogen gas. Runoff from fire control or dilution water
may cause pollution.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam. For large fires, use water spray, fog, or
alcohol-resistant foam. Use water spray to cool fire-exposed
containers. Water may be ineffective. Use agent most appropriate to
extinguish fire. Do NOT use straight streams of water.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container. Avoid runoff into storm sewers and
ditches which lead to waterways. Clean up spills immediately,
observing precautions in the Protective Equipment section. Remove all
sources of ignition. Use a spark-proof tool. Provide ventilation. A
vapor suppressing foam may be used to reduce vapors.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Ground and bond containers when transferring material. Use
spark-proof tools and explosion proof equipment. Do not breathe dust,
vapor, mist, or gas. Do not get in eyes, on skin, or on clothing.
Empty containers retain product residue, (liquid and/or vapor), and
can be dangerous. Keep container tightly closed. Keep away from heat,
sparks and flame. Do not ingest or inhale. Use only in a chemical
fume hood. Discard contaminated shoes. Do not pressurize, cut, weld,
braze, solder, drill, grind, or expose empty containers to heat,
sparks or open flames.
Storage:
Keep away from sources of ignition. Keep container closed when not
in use. Refrigerator/flammables.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate
ventilation to keep airborne concentrations low. Use only under a
chemical fume hood.
Exposure Limits
CAS# :
United Kingdom, WEL - TWA: (listed as tellurium): 0.1 mg/m3 TWA
United Kingdom, WEL - STEL: (listed as tellurium): 0.3 mg/m3 STEL
United States OSHA: 0.1 mg/m3 TWA (listed under Tellurium).
Belgium - TWA: (listed as tellurium): 0.1 mg/m3 VLE
France - VME: (listed as tellurium): 0.1 mg/m3 VME
Germany: (listed as tellurium): 0.1 mg/m3 VME
Malaysia: (listed as tellurium): 0.1 mg/m3 TWA
Netherlands: (listed as tellurium): 0.1 mg/m3 MAC
Russia: (listed as tellurium): 0.01 mg/m3 TWA
Spain: (listed as tellurium): 0.1 mg/m3 VLA-ED
CAS# 22737-37-7:
United Kingdom, WEL - TWA: (listed as silica, amorphous): 6 mg/m3
(inhalable dust); 2.4 mg/m3 TWA (respirable dust)
United Kingdom, WEL - STEL: (listed as silica, amorphous): 18 mg/
STEL (inhalable dust); 7.2 mg/m3 STEL (respirable dust)

Russia: (listed as silica, amorphous): 1 mg/m3 TWA

Personal Protective Equipment

Eyes:
Wear chemical splash goggles and face shield.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Color: clear, colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 78-80 deg C @ 100 mm Hg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not applicable.
Flash Point: 28 deg C ( 82.40 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: .8300 g/cm3
Molecular Formula: C6H19NOSi2
Molecular Weight: 177.40

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Ignition sources, excess heat.
Incompatibilities with Other Materials:
Strong acids, strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide, silicon dioxide.
Hazardous Polymerization: Has not been reported

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# unlisted.
CAS# 22737-37-7 unlisted.
LD50/LC50:
Not available.
Not available.
Carcinogenicity:
-
Not listed by ACGIH, IARC, or NTP.
N,O-Bis(trimethylsilyl)hydroxylamine -
Not listed by ACGIH, IARC, or NTP.

**** SECTION 12 - ECOLOGICAL INFORMATION ****



**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: FLAMMABLE LIQUID, TOXIC, N.O.S.*
Hazard Class: 3 (6.1)
UN Number: 1992
Packing Group: II
IMO
Shipping Name: FLAMMABLE LIQUID, TOXIC, N.O.S.
Hazard Class: 3.1 (6.1)
UN Number: 1992
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE LIQUID, TOXIC, N.O.S.
Hazard Class: 3
UN Number: 1992
Packing group: II

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 10 Flammable.
R 34 Causes burns.
R 48 Danger of serious damage to health by prolonged
exposure.
Safety Phrases:
S 8 Keep container dry.
S 16 Keep away from sources of ignition - No
smoking.
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# : No information available.
CAS# 22737-37-7: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# is not listed on Canada's Ingredient Disclosure List.
CAS# 22737-37-7 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# is not listed on the TSCA inventory.
It is for research and development use only.
CAS# 22737-37-7 is not listed on the TSCA inventory.
It is for research and development use only.

**** SECTION 16 - ADDITIONAL INFORMATION ****

Text for R-phrases from Section 2
MSDS Creation Date: 9/02/1997 Revision #6 Date: 11/24/2003

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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NAMECAS
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Mercury Standard Metal Solution 7439-97-6
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Manganese Standard metal Solution 7439-96-5
Diaminoethane tetra-acetic acid disodium salt solutions (0.01M / 139-33-3
Aqueous Potassium Hydroxide Solutions 1310-58-3
Manganese standard metal solution in approx. M nitric acid 7439-96-5
Magnesium standard metal solution 1000 ppm in approx. M nitric acid 7439-95-4
Magnesium standard metal solution 10,000 ppm in approx. M nitric acid 7439-95-4
Lithium standard metal solution in approx. M nitric acid 7439-93-2
Iron standard metal solution 10000 ug/g in approx. M nitric acid 7439-89-6
Iron atomic absorption solution 1000 ug/g in approx. M nitric acid 7439-89-6
N,O-Bis(trimethylsilyl)hydroxylamine, 97%
Gold Standard Metal Solution 7647-01-0
Copper standard metal solution 1000 ppm in approx. M nitric acid 7440-50-8
Copper standard metal solution 10,000 ppm in approx. M nitric acid 7440-50-8
Cobalt standard metal solution 1000 ppm in approx. M nitric acid 7440-48-4
Nitric acid solution, 5 - 20% 7697-37-2
Cobalt standard metal solution 10,000 ppm in approx. M nitric acid 7440-48-4
Chromium Standard Metal Solution 1000 PPM 7440-47-3
Chromium Standard Metal Solution 10,000 PPM 7440-47-3
Perchloric acid, 0.1M in acetic acid 64-19-7
Phenol disulfonic acid solution 96-77-5
Boron Standard Metal Solution 7697-32-7
Calcium standard metal solution in approx. M nitric acid 7440-70-2
D (+) Melibiose Monohydrate 66009-10-7
N-Methyl-bis-trifluoroacetamide 685-27-8
N-Heptadecanoic Acid 506-12-7
Barium chloride solution, 1M 7732-18-5
Bicarbonate indicator solution 76-61-9
Ammonia-Ammonium Chloride Buffer Solution 7664-41-7
2,4,6-Trichlorophenylhydrazine, 98% (Titr.) 5329-12-4
Cadmium standard metal solution 1000 ppm 7440-43-9
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Barium standard metal solution in nitric acid 7440-39-3
Arsenic Standard Metal Solution 1327-53-3
Antimony Standard Metal Solution 7647-01-0
Aluminium standard metal solution 1000 ppm in nitric acid 7429-90-5
N-Methyl-N-(trimethylsilyl)trifluoroacetamide, 97% 24589-78-4
Aluminium standard metal solution 10,000 ppm in nitric acid 7429-90-5
Lead (IV) Tetra-Acetate (Packed under Glacial Acetic Acid) 546-67-8
Sulfuric Acid Volumetric Solution 7664-93-9
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Sulfuric Acid Volumetric Solutions 0.05 M 7664-93-9
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Orotic acid hydrate, 98% 50887-69-9

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