NILE
CHEMICALS
NILE
CHEMICALS
Synonyms: oxalic acid
dihydrate
CAS No.: 144-62-7 (Anhydrous); 6153-56-6 (Dihydrate)
Molecular Weight: 126.07
Chemical Formula: HOOCCOOH.2H2O
Product Codes:151122
Ingredient CAS No Percent Hazardous
--------------------------------------- ------------ ------------ ---------
Oxalic Acid 144-62-7 99 - 100% Yes
Inhalation: Harmful if inhaled. Can cause severe irritation and burns of
nose, throat, and respiratory tract.
Ingestion: Toxic! May cause burns, nausea, severe gastroenteritis and
vomiting, shock and convulsions. May cause renal damage, as evidenced by bloody
urine. Estimate fatal dose is 5 to 15 grams.
Skin Contact: Can cause severe irritation, possible skin burns. May be
absorbed through the skin.
Eye Contact: Oxalic acid is an eye irritant. It may produce corrosive
effects.
Chronic Exposure: May cause inflammation of the upper respiratory tract.
Prolonged skin contact can cause dermatitis, cyanosis of the fingers and
possible ulceration. May affect kidneys.
Aggravation of Pre-existing Conditions: Persons with pre-existing skin
disorders or eye problems, or impaired kidney or respiratory function may be
more susceptible to the effects of the substance.
Inhalation: Remove to fresh air. If not breathing,
give artificial respiration. If breathing is difficult, give oxygen. Call a
physician immediately.
Ingestion: DO NOT INDUCE VOMITING! Give large quantities of limewater or
milk to drink. Never give anything by mouth to an unconscious person. Call a
physician immediately.
Skin Contact: In case of contact, wipe off excess from skin then
immediately flush skin with plenty of water for at least 15 minutes while
removing contaminated clothing and shoes. Wash clothing before reuse. Call a
physician immediately.
Eye Contact: Immediately flush eyes with gentle but large stream of water
for at least 15 minutes, lifting lower and upper eyelids occasionally. Call a
physician immediately.
Fire: Oxalic Acid is a combustible solid below 101C
(215F)
Explosion: Reacts explosively with strong oxidizing materials and some
silver compounds.
Fire Extinguishing Media: Water spray, dry chemical, alcohol foam, or
carbon dioxide. Foam or water on molten oxalic acid may cause frothing. Water
spray may be used to keep fire exposed containers cool.
Special Information: In the event of a fire, wear full protective
clothing and NIOSH-approved self-contained breathing apparatus with full
facepiece operated in the pressure demand or other positive pressure mode.
Remove all sources of
ignition. Ventilate area of leak or spill. Wear appropriate personal protective
equipment as specified in Section 8.
Spills: Clean up spills in a manner that does not disperse dust into the air.
Use non-sparking tools and equipment. Pick up spill for recovery or disposal and
place in a closed container. Remove unnecessary people. If material comes in
contact with water, neutralize liquid with alkaline material (soda ash, lime),
then absorb with an inert material (e.g. vermiculite, dry sand, earth) and place
in a chemical waste container. Do not use combustible materials, such as saw
dust. Do not flush to sewer.
Keep in a tightly closed container. Protect from physical damage. Store in a cool, dry, ventilated area away from sources of heat, moisture and incompatibilities. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.
Airborne Exposure Limits: -ACGIH Threshold Limit
Value (TLV) :1 mg/m3 (TWA), 2 mg/m3 (STEL)-OSHA Permissible Exposure Limit (PEL):1
mg/m3
Ventilation System: A system of local and/or general exhaust is
recommended to keep employee exposures below the Airborne Exposure Limits. Local
exhaust ventilation is generally preferred because it can control the emissions
of the contaminant at its source, preventing dispersion of it into the general
work area. Please refer to the ACGIH document, Industrial Ventilation, A
Manual of Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved): If the exposure limit is exceeded,
a half-face respirator with an organic vapor cartridge and dust/mist filter may
be worn for up to ten times the exposure limit or the maximum use concentration
specified by the appropriate regulatory agency or respirator supplier, whichever
is lowest. A full-face piece respirator with an organic vapor cartridge and
dust/mist filter may be worn up to 50 times the exposure limit, or the maximum
use concentration specified by the appropriate regulatory agency or respirator
supplier, whichever is lowest. For emergencies or instances where the exposure
levels are not known, use a full-face piece positive-pressure, air-supplied
respirator. WARNING: Air-purifying respirators do not protect workers in
oxygen-deficient atmospheres.
Skin Protection: Wear impervious protective clothing, including boots,
gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact.
Eye Protection: Use chemical safety goggles and/or full face shield where
dusting or splashing of solutions is possible. Maintain eye wash fountain and
quick-drench facilities in work area.
Appearance: Transparent, colorless crystals.
Odor: Odorless.
Solubility: ca. 1g/7mL of water.
Specific Gravity: 1.65 @ 18.5C/4C
pH: No information found.
% Volatiles by volume @ 21C (70F): 0
Boiling Point: 149 - 160C (300 - 320F) Sublimes.
Melting Point: 101.5C (216F)
Vapor Density (Air=1): 4.4
Vapor Pressure (mm Hg): < 0.001 @ 20C (68F)
Evaporation Rate (BuAc=1): No information found.
Stability: Stable under ordinary conditions of use
and storage. Heat will contribute to instability.
Hazardous Decomposition Products: Carbon dioxide and carbon monoxide may
form when heated to decomposition. May also form formic acid.
Hazardous Polymerization: Will not occur.
Incompatibilities: Alkalis, chlorites, hypochlorites, oxidizing agents,
furfuryl alcohol and silver compounds.
Conditions to Avoid: Heat, ignition sources and incompatibililites.
Oral rat LD50: 375 mg/kg; irritation skin rabbit: 500 mg/24H mild; eye rabbit 250 ug/24H severe; investigated as a reproductive effector.
--------\Cancer Lists\------------------------------------------------------
---NTP Carcinogen---
Ingredient Known Anticipated IARC Category
------------------------------------ ----- ----------- -------------
Oxalic Acid (144-62-7) No No None
Environmental Fate: No information found.
Environmental Toxicity: No information found.
Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste facility. Although not a listed RCRA hazardous waste, this material may exhibit one or more characteristics of a hazardous waste and require appropriate analysis to determine specific disposal requirements. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state and local requirements.
Domestic (Land, D.O.T.)
-----------------------
Proper Shipping Name: CORROSIVE,SOLID,ACIDIC,ORGANIC N.O.S. (OXALIC
ACID,DIHYDRATE)
Hazard Class: 8
UN/NA: UN3261
Packing Group: III
Information reported for product/size: 12KG
International (Water, I.M.O.)
-----------------------------
Proper Shipping Name: CORROSIVE,SOLID,ACIDIC,ORGANIC N.O.S. (OXALIC
ACID,DIHYDRATE)
Hazard Class: 8
UN/NA: UN3261
Packing Group: III
Information reported for product/size: 12KG
--------\Chemical Inventory Status - Part 1\---------------------------------
Ingredient TSCA EC Japan Australia
----------------------------------------------- ---- --- ----- ---------
Oxalic Acid (144-62-7) Yes Yes Yes Yes
--------\Chemical Inventory Status - Part 2\---------------------------------
--Canada--
Ingredient Korea DSL NDSL Phil.
----------------------------------------------- ----- --- ---- -----
Oxalic Acid (144-62-7) Yes Yes No Yes
--------\Federal, State & International Regulations - Part 1\----------------
-SARA 302- ------SARA 313------
Ingredient RQ TPQ List Chemical Catg.
----------------------------------------- --- ----- ---- --------------
Oxalic Acid (144-62-7) No No No No
--------\Federal, State & International Regulations - Part 2\----------------
-RCRA- -TSCA-
Ingredient CERCLA 261.33 8(d)
----------------------------------------- ------ ------ ------
Oxalic Acid (144-62-7) No No No
Disclaimer: Nile Chemicals. provides the
information contained herein in good faith but makes no representation as to its
comprehensiveness or accuracy. This document is intended only as a guide to the
appropriate precautionary handling of the material by a properly trained person
using this product. Individuals receiving the information must exercise their
independent judgment in determining its appropriateness for a particular
purpose. NILE CHEMICALS. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS
OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH
HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, NILE
CHEMICLAS. WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE
UPON THIS INFORMATION.
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