merphos
CAS No.: 150-50-5 Formula: C12H27PS3 Molecular Weight: 298.51200
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merphos

CAS No.: 150-50-5 Formula: C12H27PS3 Molecular Weight: 298.51200
Suppliers: All (25) China Suppliers (12) Price Available (2) Contractor(0)

Description

Organophosphate pesticide used in the agriculture industry

Properties

Boiling Point
380.3ºC at 760 mmHg
Flash Point
183.8ºC
Vapor Pressure
1.2E-05mmHg at 25°C

Safety Info

Hazard Class
6.1(b)
HS Code
2931900090
Packing Group
III
RIDADR
UN 3278
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SDS 1.0

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SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name
merphos

1.2 Other means of identification

Product number
-
Other names
Merphos

1.3 Recommended use of the chemical and restrictions on use

Identified uses
For industry use only. Herbicide
Uses advised against
no data available

1.4 Supplier's details

Company
MOLBASE (Shanghai) Biotechnology Co., Ltd.
Address
Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road,
Xuhui District, Shanghai, China
Telephone
+86(21)64956998
Fax
+86(21)54365166

1.5 Emergency phone number

Emergency phone number
+86-400-6021-666
Service hours
Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

2.Hazard identification

2.1 Classification of the substance or mixture

Acute toxicity - Oral, Category 4

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H302 Harmful if swallowed

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

Response

P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/…if you feel unwell.

P330 Rinse mouth.

Storage

none

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
merphos
merphos
150-50-5
none
100%

4.First-aid measures

4.1 Description of necessary first-aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

4.2 Most important symptoms/effects, acute and delayed

Excerpt from ERG Guide 151 [Substances - Toxic (Non-combustible)]: Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution. (ERG, 2016)

4.3 Indication of immediate medical attention and special treatment needed, if necessary

Minimum/Potential Fatal Human Dose

3. 3= MODERATELY TOXIC: PROBABLE ORAL LETHAL DOSE (HUMAN) 0.5-5 G/KG, BETWEEN 1 OZ & 1 PINT (OR 1 LB) FOR 70 KG PERSON (150 LB).

Absorption, Distribution and Excretion

Merphos is readily absorbed through the skin.

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Excerpt from ERG Guide 151 [Substances - Toxic (Non-combustible)]: SMALL FIRE: Dry chemical, CO2 or water spray. LARGE FIRE: Water spray, fog or regular foam. Move containers from fire area if you can do it without risk. Dike fire-control water for later disposal; do not scatter the material. Use water spray or fog; do not use straight streams. FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Do not get water inside containers. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn. (ERG, 2016)

5.2 Specific hazards arising from the chemical

Excerpt from ERG Guide 151 [Substances - Toxic (Non-combustible)]: Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Containers may explode when heated. Runoff may pollute waterways. (ERG, 2016)

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

6.Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

6.2 Environmental precautions

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

6.3 Methods and materials for containment and cleaning up

Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

7.Handling and storage

7.1 Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

no data available

Biological limit values

no data available

8.2 Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

8.3 Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

Wear dust mask when handling large quantities.

Thermal hazards

no data available

9.Physical and chemical properties

Physical state
Emulsifiable oil.
Colour
PALE AMBER LIQUID
Odour
MILD CHARACTERISTIC ODOR
Melting point/ freezing point
no data available
Boiling point or initial boiling point and boiling range
380.3ºC at 760 mmHg
Flammability
no data available
Lower and upper explosion limit / flammability limit
no data available
Flash point
183.8ºC
Auto-ignition temperature
no data available
Decomposition temperature
no data available
pH
no data available
Kinematic viscosity
no data available
Solubility
SPARINGLY SOLUBLE IN WATER
Partition coefficient n-octanol/water (log value)
no data available
Vapour pressure
1.2E-05mmHg at 25°C
Density and/or relative density
0.99-1.01 @ 20 DEG C/4 DEG C
Relative vapour density
no data available
Particle characteristics
no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

SLIGHT, WHEN EXPOSED TO HEAT OR FLAME. ...CAN REACT VIGOROUSLY WITH OXIDIZING MATERIALS.Organothiophosphates, such as MERPHOS, are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

no data available

10.6 Hazardous decomposition products

...WHEN HEATED TO DECOMP, EMITS HIGHLY TOXIC FUMES OF PO(X) & SO(X)...

11.Toxicological information

Acute toxicity

  • Oral: LD50 Rat oral male 1,475 mg/kg
  • Inhalation: no data available
  • Dermal: LD50 Rabbit percutaneous 5-10 g/kg
  • Skin corrosion/irritation

    no data available

    Serious eye damage/irritation

    no data available

    Respiratory or skin sensitization

    no data available

    Germ cell mutagenicity

    no data available

    Carcinogenicity

    no data available

    Reproductive toxicity

    no data available

    STOT-single exposure

    no data available

    STOT-repeated exposure

    no data available

    Aspiration hazard

    no data available

    12.Ecological information

    12.1 Toxicity

  • Toxicity to fish: no data available
  • Toxicity to daphnia and other aquatic invertebrates: no data available
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available
  • 12.2 Persistence and degradability

    no data available

    12.3 Bioaccumulative potential

    Using an estimated log Kow of 7.67(1), one would estimate a BCF of 40,000 for merphos using a recommended regression equation(2). This would indicate that merphos would bioconcentrate in aquatic organisms. However, merphos' rapid oxidation in water would suggest little tendency to bioconcentrate(SRC).

    12.4 Mobility in soil

    The Koc for merphos estimated from molecular structure is 62,000(1). According to a suggested classification scheme(2), this estimated Koc suggests that merphos would be immobile in soil(SRC).

    12.5 Other adverse effects

    no data available

    13.Disposal considerations

    13.1 Disposal methods

    Product

    The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

    Contaminated packaging

    Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

    14.Transport information

    14.1 UN Number

    ADR/RID: UN3278
    IMDG: UN3278
    IATA: UN3278

    14.2 UN Proper Shipping Name

    ADR/RID: ORGANOPHOSPHORUS COMPOUND, LIQUID, TOXIC, N.O.S.
    IMDG: ORGANOPHOSPHORUS COMPOUND, LIQUID, TOXIC, N.O.S.
    IATA: ORGANOPHOSPHORUS COMPOUND, LIQUID, TOXIC, N.O.S.

    14.3 Transport hazard class(es)

    ADR/RID: 6.1(b)
    IMDG: 6.1(b)
    IATA: 6.1(b)

    14.4 Packing group, if applicable

    ADR/RID: III
    IMDG: III
    IATA: III

    14.5 Environmental hazards

    ADR/RID: no
    IMDG: no
    IATA: no

    14.6 Special precautions for user

    no data available

    14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

    no data available

    15.Regulatory information

    15.1 Safety, health and environmental regulations specific for the product in question

    Chemical name Common names and synonyms CAS number EC number
    merphos
    merphos
    150-50-5
    none
    European Inventory of Existing Commercial Chemical Substances (EINECS)
    Listed.
    EC Inventory
    Listed.
    United States Toxic Substances Control Act (TSCA) Inventory
    Listed.
    China Catalog of Hazardous chemicals 2015
    Not Listed.
    New Zealand Inventory of Chemicals (NZIoC)
    Not Listed.
    Philippines Inventory of Chemicals and Chemical Substances (PICCS)
    Not Listed.
    Vietnam National Chemical Inventory
    Not Listed.
    Chinese Chemical Inventory of Existing Chemical Substances (China IECSC)
    Not Listed.

    16.Other information

    Information on revision

    Creation Date
    Aug 18, 2017
    Revision Date
    Aug 18, 2017

    Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%
  • References

  • IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
  • HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
  • IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
  • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
  • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
  • Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
  • ECHA - European Chemicals Agency, website: https://echa.europa.eu/

  • Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.
    1H NMR : PredictExpand

    NMR Spectrum 1H NMR : Predict

    Collapse
    Mass spectrum (electron ionization)Expand
    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Oral
    LD50 - Lethal dose, 50 percent kill
    Rodent - rat
    910 mg/kg
    1.Details of toxic effects not reported other than lethal dose value
    Administration onto the skin
    LD50 - Lethal dose, 50 percent kill
    Rodent - rat
    615 mg/kg
    1.Details of toxic effects not reported other than lethal dose value
    Intraperitoneal
    LD50 - Lethal dose, 50 percent kill
    Rodent - rat
    70 mg/kg
    1.Details of toxic effects not reported other than lethal dose value
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