1. Basic information of Oxalic acid dehydrate
MSDS Name: Oxalic acid dehydrate
Synonyms: Ethanedioic acid
dihydrate.
Appearance: white powder.
CAS No ：6153-56-6
2. Hazards Identification of Oxalic acid dehydrate
（1）Danger!
Oxalic acid dehydrate may cause burns by all exposure routes. Harmful if swallowed,
inhaled, or absorbed through the skin. There are possible risks of harm to the
unborn child. It may cause kidney damage.
（2）Potential
Health Effects
1)
Eye: Oxalic acid
dehydrate causes eye burns. May
result in corneal injury. Causes redness and pain.
2)
Skin: Harmful
if absorbed through the skin. Oxalic acid dehydrate causes severe skin
irritation and possible burns. Rare chemical burns may occur from oxalic acid
and may cause hypocalcemia. Gangrene has occurred in the hands of people
working with oxalic acid solutions without rubber gloves. The skin lesions are
characterized by cracking of the skin and the development of slow-healing
ulcers. The skin may be bluish in color, and the nails brittle and yellow.
3)
Ingestion: Oxalic
acid dehydrate causes gastrointestinal tract burns. Oxalic acid is toxic
because of its acidic and chelating properties. It is especially toxic when
ingested. As little as 5 grams (71 mg/kg) may be fatal. Ulcerations of the
mouth, vomiting of blood, and rapid appearance of shock, convulsions,
twitching, tetany, and cardiovascular collapse may occur following ingestion of
oxalic acid or its soluble salts. Oxalic acid can bind calcium to form calcium
oxalate which is insoluble at physiological pH. Calcium oxalate thus formed
might precipitate in the kidney tubules and the brain. Hypocalcemia secondary
to calcium oxalate formation might disturb the function of the heart and
nerves.
4)
Inhalation: Oxalic acid dehydrate
causes chemical burns to the respiratory tract. Inhalation of oxalic acid dust
or vapor produces irritation of the respiratory tract, protein in the urine,
nosebleed, ulceration of the mucous membranes, headache, nervousness, cough,
vomiting, emaciation, back pain (due to kidney injury), and weakness. Chronic: Inhalation of oxalic acid dust or
mist over a long period of time might result in weight loss and respiratory
tract inflammation. Rats administered oxalic acid at 2.5 and 5% in the diet for
70 days developed depressed thyroid function and weight loss. A study of
railroad car cleaners in Norway
3. First Aid Measures
1)
Eyes: In case
of contact, immediately flush eyes with plenty of water for a t least 15
minutes. Get medical aid immediately.
2)
Skin: In case
of contact, immediately flush skin with plenty of water for at least 15 minutes
while removing contaminated clothing and shoes. Get medical aid immediately.
Wash clothing before reuse.
3)
Ingestion: If
swallowed, do NOT induce vomiting. Get medical aid immediately. If victim is
fully conscious, give a cupful of water. Never give anything by mouth to an
unconscious person.
4)
Inhalation: If
inhaled, remove to fresh air. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and
supportively.
5)
Antidote: Intravenous
administration of calcium gluconate or calcium chloride may be required if hypocalcaemia
or hypocalcaemia tetany occur.
Frankie is the freelance writer for
e-commerce website in the chemistry. Guidechem.com is just a place for you to
look for some chemicals. Our guidechem
provide the most convenient conditions for the international buyers and let
these leads benefit all the business people. Guidechem chemical B2B network
provides information on china and global chemical market quotation and relative
chemical Information. Guidechem Chemical Network providing the most complete
information of the chemical industry.
没有评论:
发表评论