| | **** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS **** 
 +----------------+--------------------------------------+----------+-----------+
 |      CAS#      |              Chemical Name           |    %     |  EINECS#  |
 |----------------|--------------------------------------|----------|-----------|
 |    20459-61-4  |(1-Amino-2-methylbutyl)phosphonic acid|    97    | unlisted  |
 +----------------+--------------------------------------+----------+-----------+
 Hazard Symbols: XI
 Risk Phrases: 36/37/38
 
 **** SECTION 3 - HAZARDS IDENTIFICATION ****
 
 EMERGENCY OVERVIEW
 Irritating to eyes, respiratory system and skin.
 
 Potential Health Effects
 Eye:
 Causes eye irritation.
 Skin:
 Causes skin irritation.
 Ingestion:
 May cause gastrointestinal irritation with nausea, vomiting and
 diarrhea.
 Inhalation:
 Causes respiratory tract irritation.
 Chronic:
 No information found.
 
 **** 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.
 Skin:
 Get medical aid. Flush skin with plenty of water for at least 15
 minutes while removing contaminated clothing and shoes. Wash clothing
 before reuse.
 Ingestion:
 Never give anything by mouth to an unconscious person. Get medical
 aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and
 drink 2-4 cupfuls of milk or water. Wash mouth out with water.
 Inhalation:
 Remove from exposure and move to fresh air immediately. If not
 breathing, give artificial respiration. If breathing is difficult,
 give oxygen. Get medical aid. Do NOT use mouth-to-mouth
 resuscitation.
 Notes to Physician:
 Treat symptomatically and supportively.
 
 **** 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.
 Extinguishing Media:
 Use water spray, dry chemical, carbon dioxide, or chemical foam.
 
 **** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****
 
 General Information: Use proper personal protective equipment as indicated
 in Section 8.
 Spills/Leaks:
 Vacuum or sweep up material and place into a suitable disposal
 container. Clean up spills immediately, observing precautions in the
 Protective Equipment section. Avoid generating dusty conditions.
 Provide ventilation.
 
 **** SECTION 7 - HANDLING and STORAGE ****
 
 Handling:
 Minimize dust generation and accumulation. Avoid breathing dust,
 vapor, mist, or gas. Avoid contact with eyes, skin, and clothing.
 Keep container tightly closed. Avoid ingestion and inhalation. Use
 with adequate ventilation. Wash clothing before reuse.
 Storage:
 Store in a tightly closed container. Store in a cool, dry,
 well-ventilated area away from incompatible substances.
 
 **** 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.
 Exposure Limits
 CAS# 20459-61-4:
 
 
 Personal Protective Equipment
 
 Eyes:
 Wear appropriate protective eyeglasses or chemical
 safety goggles as described by OSHA's eye and face
 protection regulations in 29 CFR 1910.133 or European
 Standard EN166.
 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:             Powder
 Color:                      white
 Odor:                       Not available.
 pH:                         Not available.
 Vapor Pressure:             Not available.
 Viscosity:                  Not available.
 Boiling Point:              Not available.
 Freezing/Melting Point:     274 deg C (dec.)
 Autoignition Temperature:   Not available.
 Flash Point:                Not available.
 Explosion Limits, lower:    Not available.
 Explosion Limits, upper:    Not available.
 Decomposition Temperature:  274 deg C
 Solubility in water:        Soluble.
 Specific Gravity/Density:
 Molecular Formula:          C5H14NO3P
 Molecular Weight:           167.14
 
 **** SECTION 10 - STABILITY AND REACTIVITY ****
 
 Chemical Stability:
 Stable at room temperature in closed containers under normal storage
 and handling conditions.
 Conditions to Avoid:
 Dust generation, excess heat.
 Incompatibilities with Other Materials:
 Strong oxidizing agents.
 Hazardous Decomposition Products:
 Nitrogen oxides, carbon monoxide, oxides of phosphorus, carbon
 dioxide.
 Hazardous Polymerization: Has not been reported
 
 **** SECTION 11 - TOXICOLOGICAL INFORMATION ****
 
 RTECS#:
 CAS# 20459-61-4 unlisted.
 LD50/LC50:
 Not available.
 Carcinogenicity:
 (1-Amino-2-methylbutyl)phosphonic acid -
 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
 Not regulated as a hazardous material.
 IMO
 Not regulated as a hazardous material.
 RID/ADR
 Not regulated as a hazardous material.
 
 **** SECTION 15 - REGULATORY INFORMATION ****
 
 European/International Regulations
 European Labeling in Accordance with EC Directives
 Hazard Symbols: XI
 Risk Phrases:
 R 36/37/38  Irritating to eyes, respiratory system
 and skin.
 Safety Phrases:
 S 26  In case of contact with eyes, rinse immediately
 with plenty of water and seek medical advice.
 S 37/39  Wear suitable gloves and eye/face
 protection.
 WGK (Water Danger/Protection)
 CAS# 20459-61-4: No information available.
 Canada
 None of the chemicals in this product are listed on the DSL/NDSL list.
 CAS# 20459-61-4 is not listed on Canada's Ingredient Disclosure List.
 US FEDERAL
 TSCA
 CAS# 20459-61-4 is not listed on the TSCA inventory.
 It is for research and development use only.
 
 **** SECTION 16 - ADDITIONAL INFORMATION ****
 
 MSDS Creation Date:  1/17/2000  Revision #4 Date:  5/05/2005
 
 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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| 
| ALL MSDS PAGES IN THIS GROUP |  | | NAME | CAS |  
| 5-Formyl-2-furansulfonic acid, sodium salt, 98% | 31795-44-5 |  
| 1,10-Phenanthroline monohydrate, reagent ACS | 66-71-7 |  
| Phenol Red Sodium Salt, Reagent ACS | 34487-61-1 |  
| Phloxine B | 18472-87-2 |  
| (1-Aminohexyl)phosphonic acid, 97% | 63207-60-3 |  
| Pyruvic acid, sodium salt, 99+% | 113-24-6 |  
| (1-Amino-2-methylpropyl)phosponic acid, 97% | 18108-24-2 |  
| Rose bengal (cert) | 632-69-9 |  
| Safranin O certified | 477-73-6 |  
| (1-Amino-3-Methylbutyl)Phosphonic Acid, 97% | 20459-60-3 |  
| Diethyldithiocarbamic acid, sodium salt, trihydrate | 148-18-5 |  
| Sudan iii  (cert) | 85-86-9 |  
| Sudan IV  (Cert), 95% (UV-VIS) | 85-83-6 |  
| Sudan Black B (Cert), 99%  (UV-VIS) | 4197-25-5 |  
| Thenoyltrifluoroacetone, 99% | 326-91-0 |  
| Thionin (Cert) | 581-64-6 |  
| (1-Amino-2-methylbutyl)phosphonic acid, 97% | 20459-61-4 |  
| Toluidine Blue O (Cert) | 92-31-9 |  
| (1-Aminooctyl)phosphonic acid, 97% | 94219-58-6 |  
| tris-(Hydroxymethyl)-aminomethane  hydrochloride, 99+% | 1185-53-1 |  
| Brilliant Blue G | 6104-58-1 |  
| Ethidium Bromide, 95% | 1239-45-8 |  
| Ponceau S | 6226-79-5 |  
| Pyronin Y, certified | 92-32-0 |  
| Nitro BT, 85% (Titr.) | 298-83-9 |  
| (r,r)-Dithiothreitol, 98% (titr.) | 3483-12-3 |  
| Dithioerythritol, 95% (Titr.) | 6892-68-8 |  
| Guanidine Thiocyanate, 99% (Titr.) | 593-84-0 |  
| D(+)-Biotin, 98% | 58-85-5 |  
| 2-(4-Morpholino)ethanesulfonic Acid, 99% (titr.) | 4432-31-9 |  
| Diethylmethylphosphonate, 96% | 683-08-9 |  
| 2,2-Bis(Hydroxymethyl)-2,2',2"-Nitrilo- Triethanol, 99+% | 6976-37-0 |  
| ACES, 96% | 7365-82-4 |  
| HEPES, 99% | 7365-45-9 |  
| Tricine, 98+% | 5704-04-1 |  
| Caps (3-Cyclohexylamino-1-Propanesulfonic  Acid), 99% | 1135-40-6 |  
| 4'-Bromoacetanilide, 98% | 103-88-8 |  
| l-Isoleucine, 99% | 73-32-5 |  
| l-Leucine, 99% | 61-90-5 |  
| L-(+)-Ornithine-Hydrochloride, 99% | 3184-13-2 |  
| l-Threonine, 98% | 72-19-5 |  
| Benzamidine hydrochloride, 99% (titr.) | 1670-14-0 |  
| 2,3-Dihydrofuran, 98% | 1191-99-7 |  
| Ches 98+% | 103-47-9 |  
| FMOC-L-Asparagin Acid-Beta-T-Butylester, 98% | 71989-14-5 |  
| 2-Chloropyridine, 99% | 109-09-1 |  
| N,N'-Diisopropylcarbodiimide, 99% | 693-13-0 |  
| N,N-Diisopropylethylamine | 7087-68-5 |  
| 4-Dimethylaminopyridine, 99% | 1122-58-3 |  
| D-Pantothenic Acid Calcium Salt, 97.5-102.0% (from Calcium Content,on | 137-08-6 | 
 | 
 |