MSDS Name:   Isopropylmagnesium chloride, 2.0M solution in THF
Synonym:   None Known.
Company:   AboutChem.com

**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 109-99-9 |Tetrahydrofuran | 80 | 203-726-8 |
|----------------|--------------------------------------|----------|-----------|
| 1068-55-9 |Magnesium, chloro(1-methylethyl)- | 20 | 213-947-1 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: F C
Risk Phrases: 11 14/15 19 34

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

EMERGENCY OVERVIEW
Highly flammable. Reacts violently with water liberating extremely
flammable gases. May form explosive peroxides. Causes burns.Moisture
sensitive.Light sensitive.Water-reactive.

Potential Health Effects
Eye:
Causes eye burns. Vapors may cause eye irritation. When substance
becomes wet or comes in contact with moisture of the mucous
membranes, it will cause irritation.
Skin:
Causes skin burns. May be absorbed through the skin. If absorbed,
causes symptoms similar to those of inhalation.
Ingestion:
Causes gastrointestinal tract burns. May cause central nervous
system depression. May be harmful if swallowed.
Inhalation:
Inhalation of high concentrations may cause central nervous system
effects characterized by nausea, headache, dizziness, unconsciousness
and coma. Causes chemical burns to the respiratory tract. Vapors may
cause dizziness or suffocation. Inhalation may cause coughing,
difficulty breathing and loss of consciousness.
Chronic:
Prolonged or repeated eye contact may cause conjunctivitis.
Prolonged or repeated skin contact may cause defatting and
dermatitis. May cause liver and kidney damage. May cause lung damage.
Narcotic in high concentrations. Chronic exposure may cause effects
similar to those of acute exposure.

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

Eyes:
Immediately flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid
immediately. In case of contact, immediately flush eyes with plenty
of water for at least 15 minutes. Get medical aid immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of
water for at least 15 minutes while removing contaminated clothing
and shoes. If water-reactive products are embedded in the skin, no
water should be applied. The embedded products should be covered
with a light oil. In case of contact, flush skin with plenty of
water. Remove contaminated clothing and shoes. Get medical aid if
irritation develops and persists. Wash clothing before reuse.
Ingestion:
Do not induce vomiting. Get medical aid immediately. If swallowed,
do NOT induce vomiting. Get medical aid immediately. If victim is
fully conscious, give a cupful of water. Never give anything by mouth
to an unconscious person.
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:
Treat symptomatically and supportively. Persons with skin problems
or liver, kidney, lung, or blood diseases may be at increased risk
from exposure to this substance.

**** 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. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion. Will burn
if involved in a fire. Water Reactive. Material will react with water
and may release a flammable and/or toxic gas. Use water spray to keep
fire-exposed containers cool. Flammable liquid and vapor. May form
explosive peroxides. May ignite or explode on contact with steam or
moist air. May re-ignite after fire is extinguished. Extremely
flammable liquid and vapor. Vapor may cause flash fire. Vapors are
heavier than air and may travel to a source of ignition and flash
back. Vapors can spread along the ground and collect in low or
confined areas.
Extinguishing Media:
Do NOT use carbon dioxide. Use dry chemical to fight fire. DO NOT
USE WATER! Contact professional fire-fighters immediately.

**** 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. Isolate area and deny
entry. Provide ventilation. Do not expose spill to water.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. 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. Take precautionary measures against
static discharges. Keep container tightly closed. Do not ingest or
inhale. Handle under an inert atmosphere. Do not allow contact with
water. 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. Keep away from
heat, sparks and flame.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of
ignition. Store in a cool place in the original container and
protect from sunlight. Store in a cool, dry place. Do not store in
direct sunlight. Keep container closed when not in use. Store in a
tightly closed container. Keep under a nitrogen blanket. Keep from
contact with oxidizing materials. Keep away from water.
Flammables-area. Corrosives area. Water free area. Store protected
from moisture. Store under nitrogen. Containers should be dated when
opened and tested periodically for the presence of peroxides. Should
crystals form in a peroxidizable liquid, peroxidation may have
occurred and the product should be considered extremely dangerous. In
this instance, the container should only be opened remotely by
professionals. All peroxidizable substances should be stored away
from heat and light and be protected from ignition sources.

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

Engineering Controls:
Use explosion-proof ventilation equipment. Facilities storing or
utilizing this material should be equipped with an eyewash facility
and a safety shower. Use only under a chemical fume hood. Use
adequate general or local explosion-proof ventilation to keep
airborne levels to acceptable levels.
Exposure Limits
CAS# 109-99-9:
United Kingdom, WEL - TWA: 50 ppm TWA; 150 mg/m3 TWA
United Kingdom, WEL - STEL: 100 ppm STEL; 300 mg/m3 STEL
United States OSHA: 200 ppm TWA; 590 mg/m3 TWA
Belgium - TWA: 200 ppm VLE; 599 mg/m3 VLE
Belgium - STEL: 100 ppm VLE; 300 mg/m3 VLE
France - VME: 200 ppm VME; 590 mg/m3 VME
Germany: 50 ppm TWA; 150 mg/m3 TWA
Germany: Skin absorber
Japan: 200 ppm OEL; 590 mg/m3 OEL
Malaysia: 200 ppm TWA; 590 mg/m3 TWA
Netherlands: 100 ppm MAC; 300 mg/m3 MAC
Russia: 100 mg/m3 TWA
Spain: 50 ppm VLA-ED; 150 mg/m3 VLA-ED
Spain: 100 ppm VLA-EC; 300 mg/m3 VLA-EC
CAS# 1068-55-9:


Personal Protective Equipment

Eyes:
Wear chemical splash goggles.
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: brown
Odor: solvent odor
pH: >7
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: -17 deg C ( 1.40 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: vigorous reaction
Specific Gravity/Density: 0.990
Molecular Formula: C3H7ClMg
Molecular Weight: 102.85

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

Chemical Stability:
Stable. However, may decompose if exposed to moist air or water.
Combines vigorously or explosively with water. Under normal storage
conditions, peroxidizable compounds can form and accumulate peroxides
which may explode when subjected to heat or shock. This material is
most hazardous when peroxide levels are concentrated by distillation
or evaporation. THF should never be distilled to dryness.
Conditions to Avoid:
Light, ignition sources, excess heat, exposure to moist air or water,
evaporating to near dryness, confined spaces.
Incompatibilities with Other Materials:
Water, acids, alcohols, oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, ammonia and hydrochloric acid fumes,
chloride fumes, oxides of magnesium.
Hazardous Polymerization: Has not been reported

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

RTECS#:
CAS# 109-99-9: LU5950000
CAS# 1068-55-9 unlisted.
LD50/LC50:
CAS# 109-99-9: Inhalation, rat: LC50 = 21000 ppm/3H; Oral, rat: LD50
= 1650 mg/kg.
CAS# 1068-55-9.
Carcinogenicity:
Tetrahydrofuran -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
Magnesium, chloro(1-methylethyl)- -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

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

Ecotoxicity:
Fish: Fathead Minnow: LC50 = 2160 mg/L; 96 Hr; Flow through bioassay
(pH 7.5)Water flea Daphnia: EC50 =5930 mg/L; 24 HrFish: Pseudomonas
putida:

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

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

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

IATA
Shipping Name: ORGANOMETALLIC COMPOUND DISPERSION, WATER-REACTIVE
, FLAMMABLE, N.O.S.* (forbidden to ship via passe
Hazard Class: 4.3 (3)
UN Number: 3207
Packing Group: I
IMO
Shipping Name: ORGANOMETALLIC COMPOUND DISPERSION, WATER-REACTIVE
, FLAMMABLE, N.O.S.
Hazard Class: 4.3 (3)
UN Number: 3207
Packing Group: I
RID/ADR
Shipping Name: ORGANOMETALLIC COMPOUND DISPERSION, WATER-REACTIVE
, FLAMMABLE, N.O.S.
Hazard Class: 4.3 (3)
UN Number: 3207
Packing group: I
USA RQ: CAS# 109-99-9: 1000 lb final RQ; 454 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F C
Risk Phrases:
R 11 Highly flammable.
R 14/15 Reacts violently with water liberating
extremely flammable gases.
R 19 May form explosive peroxides.
R 34 Causes burns.
Safety Phrases:
S 6 Keep under nitrogen.
S 6A Keep under nitrogen.
S 8 Keep container dry.
S 16 Keep away from sources of ignition - No
smoking.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 29 Do not empty into drains.
S 33 Take precautionary measures against static
discharges.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 43B In case of fire, use fire-fighting equipment
on basis of sodium chloride, sodium bicarbonate (never
use water).
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 109-99-9: 1
CAS# 1068-55-9: No information available.
Canada
CAS# 109-99-9 is listed on Canada's DSL List.
CAS# 1068-55-9 is listed on Canada's NDSL List.
CAS# 109-99-9 is listed on Canada's Ingredient Disclosure List.
CAS# 1068-55-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 109-99-9 is listed on the TSCA inventory.
CAS# 1068-55-9 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
R 11 Highly flammable.
R 19 May form explosive peroxides.
R 36/37 Irritating to eyes and respiratory system.
MSDS Creation Date: 9/20/2004 Revision #1 Date: 10/21/2004

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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