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Tetrakis(Hydroxymethyl)Phosphonium Sulfate
CAS No.: 55566-30-8
Formula: C4H13O8PS
Exact Mass: 252.00700
Molecular Weight: 252.18000
PSA: 180.32000
LogP: -1.11140
Reference Price: $1,719/ton Inquiry Now
Tetrakis(Hydroxymethyl)Phosphonium Sulfate 55566-30-8 MSDS

SECTION 1: Identification of the substance/mixture and of the company/undertaking
  Product identifiers
    Product name        : Bis[tetrakis(hydroxymethyl)phosphonium] sulfate    
    REACH No.        : A registration number is not available for this substance as the substance    
    or its uses are exempted from registration, the annual tonnage does not
    require a registration or the registration is envisaged for a later
    registration deadline.
    CAS-No.        : 55566-30-8    
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    

SECTION 2: Hazards identification
  Classification of the substance or mixture
  Classification according to Regulation (EC) No 1272/2008
    Acute toxicity, Oral (Category 4), H302
    Acute toxicity, Inhalation (Category 3), H331
    Serious eye damage (Category 1), H318
    Skin sensitisation (Category 1), H317
    Acute aquatic toxicity (Category 1), H400
    For the full text of the H-Statements mentioned in this Section, see Section 16.
  Classification according to EU Directives 67/548/EEC or 1999/45/EC
    Xn Harmful        R20/22    
    Xi Irritant        R43    
    Xi Irritant        R41    
    N Dangerous for the        R50    
    For the full text of the R-phrases mentioned in this Section, see Section 16.
  Label elements
  Labelling according Regulation (EC) No 1272/2008
    Signal word        Danger    
    Hazard statement(s)
    H302        Harmful if swallowed.    
    H317        May cause an allergic skin reaction.    
    H318        Causes serious eye damage.    
    H331        Toxic if inhaled.    
    H400        Very toxic to aquatic life.    
    Precautionary statement(s)
    P261        Avoid breathing vapours.    
    P273        Avoid release to the environment.    
    P280        Wear protective gloves/ eye protection/ face protection.    
    P305 + P351 + P338        IF IN EYES: Rinse cautiously with water for several minutes. Remove    
    contact lenses, if present and easy to do. Continue rinsing.
    P311        Call a POISON CENTER or doctor/ physician.    
    Supplemental Hazard        none    
  According to European Directive 67/548/EEC as amended.
    Hazard symbol(s)        Xn Harmful    
    N Dangerous for the environment
    R20/22        Harmful by inhalation and if swallowed.    
    R41        Risk of serious damage to eyes.    
    R43        May cause sensitisation by skin contact.    
    R50        Very toxic to aquatic organisms.    
    S26        In case of contact with eyes, rinse immediately with plenty of water and    
    seek medical advice.
    S36/37/39        Wear suitable protective clothing, gloves and eye/face protection.    
    S61        Avoid release to the environment. Refer to special instructions/ Safety    
    data sheets.
  Other hazards - none

SECTION 3: Composition/information on ingredients
    Chemical characterization : Natural product
    Synonyms        : Tetrakis(hydroxymethyl)phosphonium sulfate    
    Formula        : C8H24O12P2S    
    Molecular Weight        : 406,28 g/mol    
  Hazardous ingredients according to Regulation (EC) No 1272/2008
    Component        Classification        Concentration    
  tetrakis(hydroxymethyl)phosphonium sulphate(2:1)
    CAS-No.        55566-30-8        Acute Tox. 3; Eye Dam. 1;        50 - 100 %    
    EC-No.        259-709-0        Skin Sens. 1; Aquatic Acute 1;    
    H301 + H331, H317, H318,
    CAS-No.        50-00-0        Acute Tox. 3; Skin Corr. 1B; 0,2 - 1 %    
    EC-No.        200-001-8        Skin Sens. 1; Carc. 2; H301 +    
    Index-No.        605-001-00-5        H311 + H331, H314, H317,    
  Hazardous ingredients according to Directive 1999/45/EC
    Component        Classification        Concentration    
  tetrakis(hydroxymethyl)phosphonium sulphate(2:1)
    CAS-No.        55566-30-8        Xn, N, R20/22 - R41 - R43 -        50 - 100 %    
    EC-No.        259-709-0        R50    
    CAS-No.        50-00-0        T, Carc.Cat.3, R23/24/25 -        0,2 - 1 %    
    EC-No.        200-001-8        R34 - R40 - R43    
    Index-No.        605-001-00-5    
    For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16

SECTION 4: First aid measures
  Description of 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. Take victim immediately to hospital. 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.
  Most important symptoms and effects, both acute and delayed
    The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
    section 11
  Indication of any immediate medical attention and special treatment needed
    no data available

SECTION 5: Firefighting measures
  Extinguishing media
  Suitable extinguishing media
    Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
  Special hazards arising from the substance or mixture
    Carbon oxides, Sulphur oxides, Oxides of phosphorus
  Advice for firefighters
    Wear self contained breathing apparatus for fire fighting if necessary.
  Further information
    no data available

SECTION 6: Accidental release measures
  Personal precautions, protective equipment and emergency procedures
    Wear respiratory protection. Avoid breathing vapours, mist or gas. Ensure adequate ventilation.
    Evacuate personnel to safe areas.
    For personal protection see section 8.
  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.
  Methods and materials for containment and cleaning up
    Soak up with inert absorbent material and dispose of as hazardous waste. Keep in suitable, closed
    containers for disposal.
  Reference to other sections
    For disposal see section 13.

SECTION 7: Handling and storage
  Precautions for safe handling
    Avoid contact with skin and eyes. Avoid inhalation of vapour or mist.
    For precautions see section 2.2.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are
    opened must be carefully resealed and kept upright to prevent leakage.
  Specific end use(s)
    A part from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
  Control parameters
  Components with workplace control parameters
  Exposure controls
  Appropriate engineering controls
    Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling
    the product.
  Personal protective equipment
  Eye/face protection
    Tightly fitting safety goggles. Faceshield (8-inch minimum). Use equipment for eye protection
    tested and approved under appropriate government standards such as NIOSH (US) or EN
  Skin protection
    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.
    Full contact
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: 480 min
    Material tested:Dermatril® (KCL 740 / Z677272, Size M)
    Splash contact
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: 480 min
    Material tested:Dermatril® (KCL 740 / Z677272, Size M)
    data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300,     test method: EN374
    If used in solution, or mixed with other substances, and under conditions which differ from EN 374,
    contact the supplier of the CE approved gloves. This recommendation is advisory only and must
    be evaluated by an industrial hygienist and safety officer familiar with the specific situation of
    anticipated use by our customers. It should not be construed as offering an approval for any
    specific use scenario.
  Body Protection
    Complete suit protecting against chemicals, The type of protective equipment must be selected
    according to the concentration and amount of the dangerous substance at the specific workplace.
  Respiratory protection
    Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator
    with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup
    to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air
    respirator. Use respirators and components tested and approved under appropriate government
    standards such as NIOSH (US) or CEN (EU).
  Control of environmental exposure
    Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into
    the environment must be avoided.

SECTION 9: Physical and chemical properties
  Information on basic physical and chemical properties
    a) Appearance        Form: liquid    
    b) Odour        no data available    
    c) Odour Threshold        no data available    
    d) pH        no data available    
    e) Melting point/freezing        no data available    
    f) Initial boiling point and no data available
    boiling range
    g) Flash point        no data available    
    h) Evapouration rate        no data available    
    i) Flammability (solid, gas) no data available
    j) Upper/lower        no data available    
    flammability or
    explosive limits
    k) Vapour pressure        no data available    
    l) Vapour density        no data available    
    m) Relative density        no data available    
    n) Water solubility        no data available    
    o) Partition coefficient: n- no data available
    p) Auto-ignition        no data available    
    q) Decomposition        no data available    
    r) Viscosity        no data available    
    s) Explosive properties        no data available    
    t) Oxidizing properties        no data available    
  Other safety information
    no data available

SECTION 10: Stability and reactivity
    no data available
  Chemical stability
    Stable under recommended storage conditions.
    Stable under recommended storage conditions.
  Possibility of hazardous reactions
    no data available
  Conditions to avoid
    no data available
  Incompatible materials
    no data available
  Hazardous decomposition products
    Other decomposition products - no data available
    In the event of fire: see section 5

SECTION 11: Toxicological information
  Information on toxicological effects
  Acute toxicity
    no data available
    LD50 Oral - rat - 248 mg/kg (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    LC50 Inhalation - rat - 4 h - 5,5 mg/l (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
  Skin corrosion/irritation
    Skin - rabbit
    Result: Mild skin irritation
  Serious eye damage/eye irritation
    Eyes - rabbit (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    Result: Risk of serious damage to eyes.
  Respiratory or skin sensitisation
    Buehler Test - guinea pig (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    Result: May cause sensitisation by skin contact.
  Germ cell mutagenicity
    no data available (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    Mutation in mammalian somatic cells. (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    Result: Conflicting results have been seen in different studies.
    S. typhimurium (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    Result: Not mutagenic in Ames Test.
    Dominant lethal test (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    Result: negative
    IARC:        1 - Group 1: Carcinogenic to humans (Formaldehyde)    
    IARC:        3 - Group 3: Not classifiable as to its carcinogenicity to humans    
    (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
  Reproductive toxicity
    no data available (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
  Specific target organ toxicity - single exposure
    no data available (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
  Specific target organ toxicity - repeated exposure
    no data available
  Aspiration hazard
    no data available (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
  Additional Information
    RTECS: Not available
    Liver - Irregularities - Based on Human Evidence (Formaldehyde)

SECTION 12: Ecological information
    Toxicity to fish        mortality LC50 - Lepomis macrochirus (Bluegill) - 97,00 mg/l - 96 h    
    (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    mortality LC50 - Oncorhynchus mykiss (rainbow trout) - 94,00 mg/l - 96 h
    (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    Toxicity to daphnia and LC50 - Daphnia - 15,00 mg/l - 48 h (tetrakis(hydroxymethyl)phosphonium
    other aquatic        sulphate(2:1))    
    Toxicity to algae        EC50 - Algae - 0,2 mg/l - 96 h (tetrakis(hydroxymethyl)phosphonium    
  Persistence and degradability
    Biodegradability        Result: - Readily biodegradable.    
  Bioaccumulative potential
    no data available
  Mobility in soil
    no data available (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
  Results of PBT and vPvB assessment
    PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
  Other adverse effects
    Very toxic to aquatic life.
    Harmful to aquatic life.

SECTION 13: Disposal considerations
  Waste treatment methods
    Offer surplus and non-recyclable solutions to a licensed disposal company.
  Contaminated packaging
    Dispose of as unused product.

SECTION 14: Transport information
  UN number
    ADR/RID: 2922        IMDG: 2922        IATA: 2922    
  UN proper shipping name
    ADR/RID: CORROSIVE LIQUID, TOXIC, N.O.S. (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    IMDG: CORROSIVE LIQUID, TOXIC, N.O.S. (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))
    IATA:        Corrosive liquid, toxic, n.o.s. (tetrakis(hydroxymethyl)phosphonium sulphate(2:1))    
  Transport hazard class(es)
    ADR/RID: 8 (6.1)        IMDG: 8 (6.1)        IATA: 8 (6.1)    
  Packaging group
    ADR/RID: III        IMDG: III        IATA: III    
  Environmental hazards
    ADR/RID: yes        IMDG Marine pollutant: yes        IATA: no    
  Special precautions for user
    no data available

SECTION 15: Regulatory information
    This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
  Safety, health and environmental regulations/legislation specific for the substance or mixture
    no data available
  Chemical Safety Assessment
    For this product a chemical safety assessment was not carried out

SECTION 16: Other information
  Full text of H-Statements referred to under sections 2 and 3.
    Acute Tox.        Acute toxicity    
    Aquatic Acute        Acute aquatic toxicity    
    Carc.        Carcinogenicity    
    Eye Dam.        Serious eye damage    
    H301 + H311 +        Toxic if swallowed, in contact with skin or if inhaled    
    H301 + H331        Toxic if swallowed or if inhaled    
    H302        Harmful if swallowed.    
    H314        Causes severe skin burns and eye damage.    
    H317        May cause an allergic skin reaction.    
    H318        Causes serious eye damage.    
    H331        Toxic if inhaled.    
    H351        Suspected of causing cancer.    
    H400        Very toxic to aquatic life.    
    Skin Corr.        Skin corrosion    
    Skin Sens.        Skin sensitisation    
  Full text of R-phrases referred to under sections 2 and 3
    N        Dangerous for the environment    
    R20/22        Harmful by inhalation and if swallowed.    
    R23/24/25        Toxic by inhalation, in contact with skin and if swallowed.    
    R34        Causes burns.    
    T        Toxic    
    Xn        Harmful    
    R40        Limited evidence of a carcinogenic effect.    
    R41        Risk of serious damage to eyes.    
    R43        May cause sensitisation by skin contact.    
    R50        Very toxic to aquatic organisms.    
  Further information
    Copyright 2013 Co. LLC. License granted to make unlimited paper copies for internal use
    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. Corporation and its Affiliates shall not be held
    liable for any damage resulting from handling or from contact with the above product. See
     and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.

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