1. Designation (name) and Composition of Substance or Material
1.1: Technical designation:
Urea , grade B
1.1.1 Trade designation:
Urea , grade B
1.1.2 Synonyms:
1.2 Chemical formula (molecular and
structural):
Urea
H2N-CO-NH2
CH4N2O
NH2
C=O
NH2
60,05
1.2.1 Molecular mass
(acc. to the International atomic
masses)
1.3 Content:
Fraction of total mass in terms of dry
substance :
-nitrogen, min
-biuret, max
-water,max
Additional information:
1.3.2 All-Russian Classification of
Products соde:
%
MPC i.a mg|ml
Class of hazard
46,2
10
3 (1)
1,4
No data
No data
0,3
Not rated
Not rated
22181910100,
23872107110
2. Information on Enterprise (Person) - Manufacturer or Supplier
2.1. Full official name:
Open Joint Stock Company Azot
2.2. Post address:
75 Churtanskoe shosse , Berezniki, Perm krai
618401 Russia
2.3. Telephones, including for
emergency consultations:
2.4. Fax:
+7 3424 262222
2.5 e- mail:
[email protected]
+7 3424 264872 265512
3. Types of Hazardous Influence and Conditions of Their Rise
3.1. Influence upon a human being:
3.1.1. General characteristics of the
influence:
Moderately hazardous material upon observance
the rules of treatment, can be shown through
sensiblizing effect on skin and ability to penetrate
through skin .
3.1.2. Primary entry paths :
3.1.3. Affected organs, tissues and
systems of human body:
3.1.4. Observed symptoms:
- at inhalation :
- at swallowing :
-
at eyes contact :
at skin contact:
Respiratory systems , skin, eyes, digestive systems.
The respiratory apparatus, nervous system, liver,
pancreas, kidneys, eyes.
Difficult inhalation.
Difficult inhalation, foamy discharge from nose,
cyanosis, convulsions.
Conjunctiva irritation
Light skin irritation
3.2. Environmental Impact (air, water, soil):
3.2.1. General characteristics :
3.2.2. Environmental impact paths:
3.2.3. Observed signs of influence:
3.3. Hygienic regulations:
On entering water it influences the sanitary
condition of water reservoir. Nitrogen oxides,
ammonia, carbon dioxide can pollute air
In case of violation of treatment rules, storage and
transportation, fugitive burning and waste disposal,
as a result of emergency situation.
Ammonia smell in the air resulted from the urea
thermo destruction
MPC i.a. (maximum permissible concentration in
industrial area – 10 mg/m3
MPC atm. – 0,20 mg/m3,
MPC w.r. (maximum permissible concentration in
water reservoirs) – 80 mg/l (37,8 mg/l N), san. –
tox.,
4. First Aid Measures:
4.1. Inhalation poisoning:
4.2. Swallowing
4.3. Skin contact
4.4. Eye contact
4.5. Contraindications
4.6. First aid means (first aid kit)
Fresh air. If needed, seek medical attention.
Wash the stomach with warm water and soda or
activated carbon. If needed, seek medical attention.
Wash with running water.
Wash with running water.
No data
Eyeglass, activated carbon.
5 Measures and Means of Fire and Explosion Security Provision
5.1. General characteristics of fire and
explosion hazard:
5.2. Fire-safe and explosion- hazard
indices:
Urea is a combustible substance. On long storage it
can bake resulting in partial decomposition with
ammonia emission . This factor should be taken in
consideration in hot climate.
Ammonia is fire/ explosive hazardous .Urea spray
can is explosive.
Flash point - 182 oС
Auto-ignition temperature -715oС
Burning temperature- 223oС
The lower concentration limit of distribution of air
mixture flame - 70 gr/m3
2
5.3. Danger caused by thermal
destruction :
The thermal destruction is possible with the release
of toxic nitrogen oxides, ammonia, carbon dioxide.
5.4. Recommended means of
extinguishing the fire
5.5. Prohibited means of extinguishing
the fire
5.6. Individual protective means at
fire extinguishing (PPM for fire teams
and staff):
Sprayed water with humectants, dry powder or foam
5.7. Additional information
No
Flameproof clothing with self-rescue breathing
apparatus.
Filtering gas masks with filter box “B”, “K”
Isolating gas masks ИП-41, ИП-46
During the urea and nitric acid interacting urea
nitrate is formed, it is an explosive.
6 Measures for Prevention and Liquidation of Emergency Situations
6.1. Measures for prevention of
emergency situations:
6.1.1. General recommendations:
6.1.2. Fire and explosion –security
hazards:
6.1.3. Handling and storage:
6.1.4. Safety of personal:
6.1.5. Environment protection:
6.1.6. Waste neutralization,
processing and removal:
6.1.7. transportation:
6.2. Measures for liquidation of
emergency situations:
6.2.1. Necessary activities
- general character:
The ventilation of rooms shall be provided, in places
of possible dusting local exhausts shall be installed.
The urea dust should be removed by wet method.
It is not allowed to contact with the source of fire.
See Part 5 above.
Urea shall be stored in closed warehouse which
prevent the entrance of atmospheric precipitation.
See Part 7.
During work with urea it is necessary to use
breathing masks, safety spectacles, gloves, etc.
See Part 8.
Shall be excluded the discharge in surrounding
medium, reservoirs. See Part 12.
Collect and give out for removal. Put the spillage
into container and send together with defective
packaging for removal. See Part 13.
Transportation of urea is carried out in packing or in
bulk excluding all types of spilling and entry into
the environment. See Part 14.
Give warning to the Emergency team that urea
evolves nitrogen oxides, PPE should be used.
Transport the wagon in safety place. Isolate the
dangerous zone in radius not less 100 m.. Persons
not participating in liquidation of emergency
situations should leave the place. Observe the rules
of fire safety, don’t smoke, remove the source of fire
or sparks. Stay from windward side. Render
assistance to victims.
3
6.2.2. - Spillage:
Collect and give out for removal.
6.2.3. – Fire
Call fire, gas and medical services. Apply PPE,
protective shoes and clothes. Evacuate the people.
Quench fire with water spray fire-fighting system,
use foam or powder.
6.3. Individual protectors for
emergency situations:
Protective suit with industrial gas-mask, if not
available, working cloth, respirator or bulky
dressing, rubber gloves.
In case of ignition - flameproof clothing with selfrescue breathing apparatus.
7 Handling and Storage Regulations
7.1. Safety rules and protective means
at work with the material:
Availability of ventilating and exhaust devices in
places of possible dusting. Use of mechanisms
equipped with devices for reduction of dust
formation. Regular contro lof the dust concentration
in the working area air, use of the PPE.
7.2. Conditions and safety storage
terms:
Urea is stored in the closed warehouse preventing
the product from the entrance of atmospheric
precipitation and heat.
Guaranty shelf life is 6 months from the date of
production.
7.3. Incompatible materials at storage:
Mixture with
allowed.
7.4. Materials recommended for tare
and packing:
Urea is shipped in the packed form and in bulk,
excluding spillage and entrance into surrounding
medium
Urea is packed in 5-or-6-layer bituminized paper
bags, polyethylene or propylene bags assuring the
product preservation. The product weight should be
max 50kg.
Urea in bulk is transported in the specialized autoloading rail cars, in closed marine deck vessels and
trucks equipped with device to cover the product.
7.5. Recommendations for safety
handling and transportation:
Combined transportation with combustibles and
oxidants s is not allowed
water, oxidants and acids is not
8 Labor Safety Requirements and Measures on Personnel (User) Safety Provision
8.1. Industrial area parameters subject
to the compulsory control (MPC
i.a..)
8.2. Measures providing the content of
harmful matters within the allowed
concentration limits
MPC i.a.. – 10 mg/m3
Use of mechanisms equipped with devices for the
dust formation reduction.
Production facilities and laboratories where urea is
4
treated, shall be equipped with exhaust ventilation
providing the air conditions in accordance with the
standards. Storage monitoring of the urea content in
the working area air. Product transportation and
packing mechanization. Packing tightness.
8.3. Measures and personal protection
means:
8.3.1. General recommendations:
8.3.2. Respiratory system protection:
8.3.3. Protective clothes (material,
type)
Avoid direct contact with the product.
Observance of the personal hygienic rules. Regular
cleaning of the facilities and plant sites from dust
and product spillage.
Respirators of РУ-60м-Вб РУ-60м-ЛД, У-2к or Ф62Ш, РПА-1б ЗПГ-67 type
Respirators of щБ-1 Lepestok type, Gamgee tissue.
All the personnel shall be supplied with gas masks
of K or M grade.
Isolating gas masks type ИП-41, ИП-46.
Cotton overalls, leather boots or rubber top-boots,
rubber-fabric gloves, protective glasses.
9 Physical and Chemical Properties
9.1. Physical state (aggregate state,
color, adore):
Solid substance< white color prills s and with the
slight smell .
9.2. Parameters of main properties of
material:
Melting point 133oC
Density at 20˚C - 1,3 g/cm3
Dissolubility in water at 20 oC - 1000000 mg/l;
at 40 oC - 1653000 mg/l.
Temperature of spontaneous ignition 715 oC
Specific activity: 67±12 (25)
10. Stability and Chemical Activity
10.1 Stability:
10.2 Reactivity:
10.3 Hazardous demonstration:
10.4 Incompatibility with other
substances:
Urea is stable under normal conditions of storage and
usage.
Hydrolyzes, reacts with acids and their anhydrides,
oxidizes, deaminates.
In fire conditions toxic gases (nitrogen oxides,
ammonia, carbon dioxide) can evolve.
Oxidizers.
5
11. Toxicity
11.1 Estimation of hazard, toxicity,
affecting the organism:
11.Acute toxicity indices (DL50;
CL50):
11.3 Minimum toxic doses:
By the extent of affecting the organism urea is
referred to moderately dangerous material, 3d class
of hazard according to GOST 12.1.007.
DL 50 = (11000-18000) mg/kg, mouse;
DL 50 = 16300 mg/kg, rats;
DL 50 = 8824 mg/kg, rats;
DL 50 = 4600 mg/m3, mouse;
DL 50 = 5300 mg/m3, rats;
DL 50 = 7200 mg/m3, mouse.
CL50 no data
Lim ch = 45 mg/m3, inh., 4 month., rats (change of
balance of urea, decrease of mass of body and
increase of protein in urine);
Lim ch = 0,72 mg/kg, rats, , 6 months (change of
urea balance, conditioned reflex activity, reduction)
of hemoglobin amount).
11.4 Information on dangerous affect
at direct contacts with the material:
Urea dust causes skin and eyes irritation.
Does not cause acute toxic effect; long breath of urea
dust in concentrations exceeding mpc w.z. can cause
inveterate tracheobronchitis, kidneys and liver
disfunctions
Has skin-resorptive and sensibilization effect.
11.5 Information on dangerous
postponed effects upon the organism
(influence on reproduction,
carcinogenicity, cumulativity, etc) :
Mutagenic and embryotrophic action.
Moderate carcinogenic actions on animals
Moderate cumulative action.
Gonadotoxic and embriotoxic actions were not
studied.
12 Environmental Impact
12.1 The estimation of potential
environmental impact (upon air,
water, soil):
12.2. The most important
characteristics of the environmental
impact:
12.2.1. Hygienic regulations:
;
Under violation of storage and transportation
precautions urea can contaminate the environment.
Stability under abiotic conditions from 7 to 1 days stable
The product can transform in the environment
Products of transformation: ammonia, biuret.
.
MPC atm.- 0,2 mg/m3;
MPC fishery. - 80,0 mg/dm3 (37,8 mg/l N);
MPC soil – not found
BOD complete - should not exceed
at 20oC 3,0 mg O2 /dm3
6,0 mg/dm3.
6
MPCwater - within the limits permissible by
calculation of organic content in water and by the
BOD and dissolved oxygen indexes.
12.2.2. Exotoxicity indices:
12.2.3 Migration, transformation in
environment%
Additional properties:
CL 50 > 10000 mg/l, exposure time 48 hours, Golden
Orpheus , fish.
ЕС 50 > 10000 mg/l, exposure time 24 hours,
Daphnia Magna
ECmin> 10000 mg/l exposure time 168hours,
seaweed.
It is transformed in the surroundings. Products of
transformation: nitric oxides, ammonia, carbon
dioxide. In water during heating up - cyanuric acid.
MC (maximum concentration) - 9-15 mg/l
Concentration up to 500 mg/l - does not influence
the biochemical oxygen demand (BOD)
13 Waste Utilization and / or Disposal
13.1. Safety measures at handling of
the wastes obtained at consumption,
storage, transportation, emergency,
etc.
13.2. Information on places and
methods of neutralization, utilization
or disposal of wastes including tare
(packing):
14
Safety measures the same as with the handling of the
main product.
See section 6 ,7.
Solid wastes, spoiled products and packing material
which can’t be used as a product, should be collected
and sent for technological waste handling approved
by
the local sanitary and epidemiological
authorities.
In case of spillage - to collect and to transfer to
technological waste handling or discharging
equipment. Utilization - waste burial. The used
containers are sent for utilization. For the household
user: used container should be given out to places of
the organized collection of garbage.
Safety Requirements at Transportation
14.1.Shipping name for transportation
(taking into consideration the grade
range):
14.2. Type of transport facility:
Urea, grades A
14.3. Dangerous cargo classification:
Not classified by GOST 19433.
14.4. Transportation markings:
“Keep dry”.
14.5 Emergency card:
Absent.
All types of transport in accordance with
Transportation regulations for the given
transportation type.
7
14.6 Information on danger of truck
transportation (КЭМ –Emergency
Measures Code):
Urea is not classified as dangerous cargo.
15 International and National Legislation
15.1 National legislation:
15.1.1 Laws of Russian Federation:
15.1.2 Documentation regulating the
requirements for the human s and
environment protection:
Laws on:
Environment Protection
Technical Regulation
Consumers Protection
Certificate of Conformity :
Is not subject to special certification
Sanitary - Epidemiological Conclusion №:
59.55.20.218.П.000837.05.06 of 12.05.06
15.2. International legislation:
15.2.1 Precautionary marking:
R - phrases: R-36-37-38 (causes irritation of eyes,
respiratory system, skin) - absent
16 Additional information
16.1 Reference on application:
Urea is intended for industrial usage as a raw
material in glues and resins production.
8