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MATERIAL SAFETY DATA SHEET
pH 4.0 Buffer Sachets (EC-BU-4BS)
Last updated on 2 Jan 2002
EUTECH INSTRUMENTS PTE LTD.
Blk 55, Ayer Rajah Crescent, #04-16/24, Singapore 139949
Tel: (65) 6778 6876, Fax: (65) 6773 0836
Website: http://www.eutechinst.com
E-mail: marketing@eutechinst.com
This information is believed to be accurate
and represents the best information currently available to us. However,
we make no warranty of merchantability, or fitness for any particular
use, or any other warranty, express or implied, with respect to this
information, and we assume no liability resulting from the use of this
information. Users should make their own investigations to determine
the suitability of the information for their particular needs and purposes.
SUBSTANCE IDENTIFICATION
| Substance: |
pH 4.000
Calibrating Buffer |
| Trade
names/synonyms: |
This
material is also known by various catalog numbers |
| Cercla
ratings (scale 0-3): |
health=0 fire=0 reactivity=0 persistence=0 |
| Nfpa
ratings (scale 0-4): |
health=0 fire=0 reactivity=0 |
| SARA
Title III (§ 313): |
Not
Available |
COMPONENTS AND CONTAMINANTS
| Component: |
Potassium
hydrogen phthalate |
| CAS# |
877-24-7 |
| Percent: |
<2.0 |
| Component: |
water
CAS# 7732-18-5 percent: >98 |
| Other
contaminants: |
none |
| Exposure
limits: |
No occupational
exposure limits established by osha, acgih or niosh. |
PHYSICAL DATA
| Description: |
Clear, colorless
liquid which may be color coded red for user identification |
| Approx. boiling
point: |
212°F (100°C).
|
| Approx. melting point: |
32°F (0°C) |
| Vapor pressure: |
14 torr @20°C
|
| Evap. Rate: |
(ether=1) >1 |
| pH: |
4.0 |
| Solubility in water: |
complete |
| Vapor density: |
0.7 (H2O) |
FIRE AND EXPLOSION DATA
| Fire and explosion
hazard: |
No fire hazard
when exposed to heat or flame |
| Flash point: |
Not applicable |
| Fire fighting
media: |
Dry chemical,
carbon dioxide, water spray or regular foam. (1990 emergency response
guidebook, dot p-5800.5) For larger fires, use water spray, fog
or regular foam. (1990 emergency response guidebook, dot p-5800.5) |
| Fire fighting: |
Move container
from fire area if it can be done without risk. Do not scatter
spilled material with high-pressure water streams. Dike fire-control
water for later disposal . (1990 emergency response guidebook,
dot p-5800.5 Pg. 31) Use agents suitable for the type of surrounding
fire. Avoid breathing hazardous vapors, stay upwind of the fire.
|
TOXICITY
| potassium hydrogen
phthalate: |
| Carcinogen status: |
none. |
| Local effects: |
irritant - inhalation,
skin, eye. |
| Acute toxicity
level: |
no data available. |
| Target effects: |
no data available. |
| Medical conditions
aggravated by exposure: |
no data available. |
HEALTH EFFECTS AND FIRST AID INHALATION:
| Potassium hydrogen
phthalate : |
Irritant |
| Acute exposure: |
May Cause Irritation |
| Chronic exposure: |
Repeated or prolonged
exposure may cause irritation |
| First aid: |
Remove from exposure
area to fresh air immediately. If breathing has stopped, perform
artificial respiration. Keep person warm and at rest. Treat symptomatically
and supportively. Get medical attention immediately. |
SKIN CONTACT
| Potassium hydrogen
phthalate : |
Irritant |
| Acute exposure: |
May Cause Irritation |
| Chronic exposure: |
Repeated or prolonged
exposure may cause dermatitis. |
| First aid: |
Remove contaminated
clothing and shoes immediately, wash affected area with soap or
mild detergent and large amounts of water until no evidence of
chemical remains (approximately 15-20 minutes). Get medical attention
immediately. |
EYE CONTACT
| potassium hydrogen
phthalate: |
Irritant |
| Acute exposure: |
Direct contact
may cause irritation, redness and pain. |
| Chronic exposure: |
Repeated or prolonged
exposure may cause conjunctivitis |
| First
aid: |
Wash
eyes immediately with large amounts of water or normal saline,
occasionally lifting upper and lower lids until no evidence of
chemical remains (approximately 15-20 minutes). Get medical attention
immediately |
INGESTION
| Potassium hydrogen
phthalate: |
Irritant |
| Acute exposure:
|
May cause nausea,
vomiting and diarrhea. |
| Chonic exposure: |
Not reported
to occur in humans |
| First aid:
|
If victim is
conscious, immediately give 2-4 glasses of water, andinduce vomiting
by touching finger to back of throat, get medical attention immediately. |
REACTIVITY
| Reactivity: |
stable
under normal temperatures and pressures |
| Incompatibilities: |
Affected by strong oxidizers when dry |
| Decomposition: |
None
known while in solution |
| Polymerization: |
None
known while in solution |
.STORAGE AND DISPOSAL
Observe all federal, state and local regulations
when storing or disposing of this substance. for assistance, contact
the district director of the environmental protection agency.
| Storage conditions
to avoid: |
Store away from
incompatible substances |
| Water spills: |
The California
safe drinking water and toxic enforcement act of 1986 (prop 65)
prohibits contaminating any known source of drinking water with
substances known to cause cancer and/or reproductive toxicity. |
| Occupational
spill: |
Stop leak if
you can do it without risk. For small spills, take up with sand
or other absorbent materials and place into clean, dry containers
for later disposal. |
PROTECTIVE EQUIPMENT
When using, wear eye protection to prevent
contact. |