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【求助】联苯钠的性状

分析化学

  • 请问那位用过联苯钠?我们买来的联苯钠为13%的试剂,但几瓶的颜色各异,有的白,有的黄,有的深蓝,有的已经变成褐色。不知道正常的试剂是什么样的?在分析时需要每次加入18ml含13-15mg活性钠的试剂,是不是要把买到溶液稀释?用什么稀释?请高手指点
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  • 醋老西

    第1楼2007/08/23

    查询到联苯钠的英文版MSDS,希望对楼主有所帮助

    Solution Name: SODIUM BIPHENYL REAGENT
    Cas: 5137-46-2
    Formula: C6H5C6H5NA
    Formula Wt: 177.20
    Product Use: N/A
    Chemical Family: RESEARCH AND DEVELOPMENT USE ONLY
    Catalog Num: N/A
    Effective Date: EFFECTIVE:05/01/89ISSUED: 04/14/90REVIEWED: 1/1/97
    Components: COMPONENTCAS NO.WEIGHT %OSHA/PELACGIH/TLV
    SODIUM BIPHENYL5137-46-214N/EN/E
    1,2-DIMETHOXYETHANE110-71-472N/EN/E
    TOLUENE108-88-314100PPM100PPM
    Health: 2MODERATE
    Flammability: 4EXTREME (FLAMMABLE)
    Reactivity: 2MODERATE
    Contact: 2MODERATE
    Physical Info: BOILING POINT: 85 C (185 F)VAPOR PRESSURE (MMHG):
    24
    (AT 760 MM HG) (20 C)
    MELTING POINT: N/AVAPOR DENSITY (AIR=1): N/A
    SPECIFIC GRAVITY: 0.87EVAPORATION RATE: N/A
    (H2O=1)
    SOLUBILITY(H20): APPRECIABLE (>10%)% VOLATILES BY
    VOLUME: 86
    (21 C)
    PH: N/A
    ODOR THRESHOLD (P.P.M.): N/A PHYSICAL STATE: LIQUID
    COEFFICIENT WATER/OIL DISTRIBUTION: N/A
    APPEARANCE & ODOR: DARK GREEN LIQUID. FAINT
    ETHER-LIKE ODOR.
    Fire Hazard Info:
    FLASH POINT (CLOSED CUP): -9 C (15 F)
    AUTOIGNITION TEMPERATURE: N/A
    FLAMMABLE LIMITS:UPPER - N/ALOWER - N/A
    FIRE EXTINQUISHING MEDIA
    USE WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL
    OR ORDINARY FOAM.
    SPECIAL FIRE-FIGHTING PROCEDURES
    FIREFIGHTERS SHOULD WEAR PROPER PROTECTIVE
    EQUIPMENT AND SELF-CONTAINED
    BREATHING APPARATUS WITH FULL FACEPIECE
    OPERATED IN POSITIVE PRESSURE
    MODE. MOVE CONTAINERS FROM FIRE AREA IF IT CAN
    BE DONE WITHOUT RISK.USE
    WATER TO KEEP FIRE -EXPOSED CONTAINERS COOL.
    UNUSUAL FIRE & EXPLOSION HAZARDS
    VAPORS MAY FLOW ALONG SURFACES TO DISTANT
    IGNITION SOURCES AND FLASH BACK.
    CLOSED CONTAINERS EXPOSED TO HEAT MAY
    EXPLODE.CONTACT WITH STRONG
    OXIDIZERS MAY CAUSE FIRE.
    TOXIC GASES PRODUCED
    NONE IDENTIFIED
    EXPLOSION DATA-SENSITIVITY TO MECHANICAL IMPACT
    NONE IDENTIFIED.
    EXPLOSION DATA-SENSITIVITY TO STATIC DISCHARGE
    NONE IDENTIFIED.
    Health Hazard
    Info:
    THRESHOLD LIMIT VALUE (TLV/TWA):NOT ESTABLISHED
    SHORT-TERM EXPOSURE LIMIT (STEL): NOT
    ESTABLISHED
    PERMISSIBLE EXPOSURE LIMIT (PEL): NOT ESTABLISHED
    TOXICITY OF COMPONENTS
    ORAL RAT LD50 FOR TOLUENE5000 MG/KG
    INTRAPERITONEAL MOUSE LD50 FOR TOLUENE1.12
    MG/KG
    SKIN RABBIT LD50 FOR TOLUENE14G/KG
    INHALATION-8HR MOUSE LC50 FOR TOLUENE5320 PPM
    CARCINOGENICITY:NTP: NOIARC: NOZ LIST: NOOSHA
    REG: NO
    CARCINOGENICITY
    NONE IDENTIFIED.
    REPRODUCTIVE EFFECTS
    NONE IDENTIFIED.
    EFFECTS OF OVEREXPOSURE
    INHALATION: SEVERE IRRITATION OF RESPIRATORY
    SYSTEM, MAY CAUSE
    NARCOSIS
    SKIN CONTACT:IRRITATION
    EYE CONTACT:IRRITATION
    SKIN ABSORPTION: MAY BE HARMFUL
    INGESTION:NONE IDENTIFIED
    CHRONIC EFFECTS: NONE IDENTIFIED
    TARGET ORGANS
    NONE IDENTIFIED
    MEDICAL CONDITIONS GENERALLY AGGRAVATED BY
    EXPOSURE
    NONE IDENTIFIED
    PRIMARY ROUTES OF ENTRY
    NONE INDICATED
    EMERGENCY AND FIRST AID PROCEDURES
    INGESTION:IF SWALLOWED AND THE PERSON IS
    CONSCIOUS, IMMEDIATELY GIVE
    LARGE AMOUNTS OF WATER.GET MEDICAL ATTENTION.
    INHALATION:IF INHALED, REMOVE TO FRESH AIR.IF NOT
    BREATHING, GIVE
    ARTIFICIAL RESPIRATION.IF BREATHING IS DIFFICULT,
    GIVE
    OXYGEN.
    SKIN CONTACT: IN CASE OF CONTACT, FLUSH SKIN WITH
    WATER.
    EYE CONTACT:IN CASE OF EYE CONTACT, IMMEDIATELY
    FLUSH WITH PLENTY OF
    WATER FOR AT LEAST 15 MINUTES.
    NOTE: CHEMICAL SUBSTANCES THAT ARE
    MANUFACTURED OR IMPORTED IN SMALL
    QUANTITIES SOLELY FOR THE USE IN RESEARCH &
    DEVELOPMENT ARE NOT SUBJECT TO
    THE NOTIFICATION REQUIREMENTS OF THE TOXIC
    SUBSTANCES CONTROL ACT (TSCA),
    15 USC 2604 (H) ET SEQ. REFERENCE - 40 CFR 720.36
    SARA/TITLE III HAZARD CATEGORIES AND LISTS
    ACUTE: YES CHRONIC: YES FLAMMABILITY: YES
    PRESSURE: NOREACTIVITY: NO
    EXTREMELY HAZARDOUS SUBSTANCE: NO
    CERCLA HAZARDOUS SUBSTANCE:YESCONTAINS
    BENZENE, METHYL- (RQ = 1000 LBS)
    SARA 313 TOXIC CHEMICALS: YESCONTAINS TOLUENE
    GENERIC CLASS: C01
    TSCA INVENTORY: NO
    Reactivity Info:
    STABILITY: STABLEHAZARDOUS POLYMERIZATION: WILL
    NOT OCCUR
    CONDITIONS TO AVOID:AIR, MOISTURE, HEAT, FLAME,
    OTHER SOURCES OF IGNITION
    INCOMPATIBLES:STRONG OXIDIZING AGENTS
    DECOMPOSITION PRODUCTS: CARBON MONOXIDE,
    CARBON DIOXIDE
    Spill Disposal
    Info:
    STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR
    DISCHARGE
    WEAR SELF-CONTAINED BREATHING APPARATUS AND
    FULL PROTECTIVE CLOTHING. SHUT
    OFF IGNITION SOURCES; NO FLARES, SMOKING OR
    FLAMES IN AREA.STOP LEAK IF
    YOU CAN DO SO WITHOUT RISK.USE WATER SPRAY TO
    REDUCE VAPORS.TAKE UP
    WITH SAND OR OTHER NON-COMBUSTIBLE ABSORBENT
    MATERIAL AND PLACE INTO
    CONTAINER FOR LATER DISPOSAL.FLUSH AREA WITH
    WATER.
    J. T. BAKER SOLUSORB(R) SOLVENT ADSORBENT IS
    RECOMMENDED FOR SPILLS OF THIS
    PRODUCT.
    DISPOSAL PROCEDURE
    DISPOSE IN ACCORDANCE WITH ALL APPLICABLE
    FEDERAL, STATE, AND LOCAL
    ENVIRONMENTAL REGULATIONS.
    EPA HAZARDOUS WASTE NUMBER:D001 (IGNITABLE
    WASTE)
    Protection Info:
    VENTILATION:USE ADEQUATE GENERAL OR LOCAL
    EXHAUST VENTILATION TO
    KEEP VAPOR AND MIST LEVELS AS LOW AS POSSIBLE.
    RESPIRATORY PROTECTION: NONE REQUIRED WHERE
    ADEQUATE VENTILATION CONDITIONS
    EXIST.IF AIRBORNE CONCENTRATION IS HIGH, A
    CHEMICAL
    CARTRIDGE RESPIRATOR WITH ORGANIC VAPOR
    CARTRIDGE IS
    RECOMMENDED.IF CONCENTRATION EXCEEDS
    CAPACITY OF
    CARTRIDGE RESPIRATOR, A SELF-CONTAINED
    BREATHING
    APPARATUS IS ADVISED.
    EYE/SKIN PROTECTION:SAFETY GOGGLES, UNIFORM,
    APRON, PROPER GLOVES ARE
    RECOMMENDED.
    Storage Handling
    Info:
    SAF-T-DATA* STORAGE COLOR CODE: RED (FLAMMABLE)
    STORAGE REQUIREMENTS
    KEEP CONTAINER TIGHTLY CLOSED.STORE IN A COOL,
    DRY, WELL-VENTILATED,
    FLAMMABLE LIQUID STORAGE AREA OR CABINET.
    PRODUCT MUST BE REFRIGERATED AT
    2 - 8 C (36 - 46 F).
    SPECIAL PRECAUTIONS
    BOND AND GROUND CONTAINERS WHEN
    TRANSFERRING LIQUID.
    Transportation
    Info:
    DOMESTIC (D.O.T.)
    PROPER SHIPPING NAME:FLAMMABLE LIQUID, N.O.S.
    (SODIUM BIPHENYL REAGENT)
    HAZARD CLASS:FLAMMABLE LIQUID
    UN/NA: UN1993
    LABELS: FLAMMABLE LIQUID
    REGULATORY REFERENCES: 49CFR 172.101; 173.119
    INTERNATIONAL (I.M.O.)
    PROPER SHIPPING NAME:FLAMMABLE LIQUIDS, N.O.S.
    (SODIUM BIPHENYL REAGENT)
    HAZARD CLASS:3.2 I.M.O. PAGE: 3084
    UN: UN1993MARINE POLLUTANTS: NOPACKAGING
    GROUP: II
    LABELS: FLAMMABLE LIQUID
    REGULATORY REFERENCES: 49CFR 172.102; PART 176;
    IMO
    AIR (I.C.A.O.)
    PROPER SHIPPING NAME:FLAMMABLE LIQUIDS, N.O.S.
    (SODIUM BIPHENYL REAGENT)
    HAZARD CLASS:3.2
    UN: UN1993PACKAGING GROUP: II
    LABELS: FLAMMABLE LIQUID
    REGULATORY REFERENCES: 49CFR 172.101; 173.6; PART
    175; ICAO/IATA
    U.S. CUSTOMS HARMONIZATION NUMBER: 38220000000
    N/A = NOT APPLICABLE OR NOT AVAILABLE
    N/E = NOT ESTABLISHED

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