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1,5-Naphthalenedisulfonic acid cas no:81-04-9

Synonyms: Armstrong'sacid;NSC 9588;Napadisylic acid;naphthalene-1,5-disulfonic acid;

Identification
Name1,5-Naphthalenedisulfonic acid
CAS81-04-9
SynonymsArmstrong'sacid;NSC 9588;Napadisylic acid;naphthalene-1,5-disulfonic acid;
EINECS(EC#)201-317-9
Molecular FormulaC10H8O6S2
Molecular Weight288.29692
Chemical Properties
AppearanceLight yellow crystale
refractive index1.695
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass8
Safety Data

Hazard C:Corrosive;
Risk R34
Safety

Very low oral toxicity. When heated to decomposition it emits toxic fumes of SOx. See also SULFONATES.
 

Hazard Codes: C
Risk Statements:
34:  Causes burns
Safety Statements:
22:  Do not breathe dust
24:  Avoid contact with skin
25:  Avoid contact with eyes
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing 
37:  Wear suitable gloves
39:  Wear eye/face protection
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)


Toxicity
1.    

orl-rat LD50:30 g/kg

    GISAAA    Gigiena i Sanitariya. 45 (3)(1980),73.
2.    

orl-mus LD50:47 g/kg

    GISAAA    Gigiena i Sanitariya. 45 (3)(1980),73.
3.    

orl-rbt LD50:30 g/kg

    GISAAA    Gigiena i Sanitariya. 45 (3)(1980),73.
4.    

orl-gpg LD50:47 g/kg

    GISAAA    Gigiena i Sanitariya. 45 (3)(1980),73.

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